Acoustic Testing of CLT and Glulam Floor Assemblies · Graph3: Airborne TL Graph 4 : LightImpact NISPL 10 20 30 40 50 60 70 80 90 100 63 125 250 500 1000 2000 4000 Normalized Impact

The results in this report only apply to the specimen that was tested Page 1 of 103

CONSTRUCTION

Acoustic Testing of CLT and Glulam Floor Assemblies

Nordic Engineered Wood Report No. A1-008253.1 19 August 2016

| Construction | Acoustics Laboratory Client Report A1-008253.1

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Client Report A1-008253.1 | Construction | Acoustics Laboratory

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Table of Contents

Summary ................................................................................................................................................................. 4

Summary Table of Full Floor Assemblies ................................................................................................................ 5

Summary Table of Flooring Patches Tested on Floor Assemblies ......................................................................... 8

Analysis ................................................................................................................................................................... 9

Bare CLT vs. bare glulam ........................................................................................................................... 9

Same toppings on CLT and glulam .......................................................................................................... 10

Precast concrete toppings vs. dry toppings .............................................................................................. 11

Precast concrete toppings vs. OSB raft topping vs. OSB raft topping with concrete topping .................. 12

Floor patches – improving impact ratings ................................................................................................. 13

Other Considerations ............................................................................................................................................. 14

Standard Test Reports........................................................................................................................................... 16

APPENDIX: ASTM E90-09 .................................................................................................................................. 100

APPENDIX: ASTM E492-09 ................................................................................................................................ 101


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Summary

This report contains the transmission loss (TL) results measured in accordance with ASTM E90-09 and the normalized impact sound pressure level (NISPL) results measured in accordance with ASTM E492-09 of 13 cross-laminated timber (CLT) floor assemblies and 5 glulam floor assemblies. The report also contains the non-standard impact sound pressure level results measured on 6 different small patch specimens.

Summary tables containing the specimen number, sketch, short description, the sound transmission class (STC) and impact isolation class (IIC) ratings, as well as, the page number of the detailed test reports are provided starting on page 5.

A brief analysis of the floors tested as part of this test series is provided after the summary tables on page 9. The standard test reports of the tested floor assemblies begin on page 16.

The floor assemblies were built and tested between January and April 2016.


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Table of Full Floor Assemblies

Specimen ID Sketch and Short Description STC Rating

IIC Rating

Page Number

A1-008253-01F

Bare CLT 5 ply (131 mm)

39 22 16

A1-008253-02F

SonoDeck on CLT 5 ply (131 mm)

44 38 20

A1-008253-04F

Fermacell 2E31 on CLT 5 ply (131 mm)

48 41 24

A1-008253-06F

38 mm precast concrete slab on 25 mm SonusWave

placed on top of a CLT 5 ply (131 mm)

56 49 28

A1-008253-07F



56 46 32

A1-008253-10F

70 mm precast concrete slab on 32 mm Roxul ComfortBoard IS


57 45 36

A1-008253-11F

Bare glulam decking (89 mm)

35 20 40

A1-008253-13F

Fermacell 2E31 on glulam decking (89 mm)

47 37 44

A1-008253-14F


placed on top of a glulam decking (131 mm)

54 45 48


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IIC Rating

Page Number

A1-008253-25F

38 mm precast concrete slab placed directly on a

OSB wood raft with sand on top of a CLT 5 ply (131 mm)

64 53 52

A1-008253-26F

38 mm precast concrete slab on 17 mm SonusWave placed on a


66 60 56

A1-008253-27F


52 47 60

A1-008253-28F

Fermacell 2E31 placed on OSB wood raft with sand on

top of a CLT 5 ply (131 mm)

59 53 64

A1-008253-29F

SonoDeck placed on OSB wood raft with sand on

top of a CLT 5 ply (131 mm)

56 50 68

A1-008253-30F

38 mm precast concrete slab on 17 mm SonusWave placed on a

OSB wood raft (no sand) on top of a CLT 5 ply (131 mm)

59 54 72

A1-008253-31F

38 mm precast concrete slab on 17 mm SonusWave placed on a OSB wood raft

(no sand) with glass fiber batts on top of a CLT 5 ply (131 mm)

60 54 76


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IIC Rating

Page Number

A1-008253-33F

OSB wood raft with sand on top of glulam decking (89 mm)

51 47 80

A1-008253-34F

38 mm precast concrete slab on 17 mm SonusWave placed on a OSB wood raft

on top of glulam decking (89 mm)

65 59 84


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Table of Flooring Patches Tested on Floor Assemblies


IIC Rating

Page Number

A1-008253-21SF

Small patch of Fermacell 2E31 on 70 mm precast concrete slab on 25 mm

SonusWave placed on top of a CLT 5 ply (131 mm)

N/A 52 88

A1-008253-22SF

Small patch of laminate floor on AcoustiTech Premium on 70 mm precast

concrete slab on 32 mm Roxul ComfortBoard IS placed on top of a CLT 5 ply (131 mm)

N/A 51 90

A1-008253-23SF

Small patch of laminate floor on Roberts Soft Stride on 70 mm precast concrete slab on 32 mm Roxul ComfortBoard IS placed on top of a CLT 5 ply (131 mm)

N/A 51 92

A1-008253-24SF

Small patch of premium laminate floor on Roberts Soft Stride 70 mm precast

concrete slab on 32 mm Roxul ComfortBoard IS placed on top of a CLT 5 ply (131 mm)

N/A 51 94

A1-008253-32SF

Small patch of laminate floor on Roberts Soft Stride on 38 mm precast concrete

slab on 17 mm SonusWave placed on a OSB wood raft (no sand) with glass fiber batts on top of a CLT 5 ply (131 mm)

N/A 58 96

A1-008253-35SF

Small patch of laminate floor on Roberts Soft Stride on 38 mm precast concrete

slab on 17 mm SonusWave placed on a OSB wood raft on top of glulam decking (89 mm)

N/A 62 98


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Analysis

The objective of this testing series was to obtain a set of floors with good airborne sound insulation rating (STC 50+) and good impact sound insulation rating (IIC 50+). A test matrix of CLT and glulam floors with various precast and dry toppings was established. This brief analysis section compares the 1/3-octave airborne transmission loss (TL) and normalized impact sound pressure levels (NISPL), as well as the single number ratings (STC and IIC) to identify toppings and coverings that perform the best on CLT and glulam floor assemblies.

Bare CLT vs. bare glulam

The TL and the NISPL of the bare 131 mm CLT and the bare 89 mm glulam floor assemblies are compared in Graph 1 and 2.

The blue curves in the above graphs show that the CLT outperforms the glulam bare floor assembly. Looking at the legend below the graphs, the CLT floor is 4 STC points and 2 IIC points better than the glulam floor.

The higher STC and IIC rating of the CLT floor correspond to the increase in the bare floor thickness and consequently a greater area density and stiffness.

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Graph 1: Airborne TL Graph 2: Light Impact NISPL

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STC IIC1 39 222 35 20GLAM89 A1-008253-11F

Legend Specimen NumberCLT131 A1-008253-01F


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Same toppings on CLT and glulam

The TL and the NISPL of the bare CLT, the bare glulam, the CLT with two toppings and the glulam with two toppings (38 mm precast concrete and OSB raft) are shown in Graph 3 and 4. In the above graphs, there are three pairs of curves which correspond to the pair of CLT and glulam floors with no topping, with the precast concrete topping and with the OSB raft. There are slight differences in the individual TL and NISPL curves of the CLT and the glulam with the same topping. The TL curves of the CLT base floor (aqua, green and blue) are above those with a glulam base floor (orange, purple and red respectively). The STC and IIC ratings of the CLT and glulam floors with the same topping (heavy and/or decoupled) achieve similar values (±1 STC or IIC) as seen in the legend below the graphs. Although the TL and NISPL curves of both type of floors with the same toppings follow the same trend, they are not superimposed. The single number ratings (STC and IIC) of both floor types with the same topping indicate that the rated overall performance is similar (±1 STC or IIC).

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STC IIC1 39 222 35 203 52 474 51 475 66 606 65 59

GLAM89 A1-008253-11F


OSB18_WB64(610)_RUB10_SAND50_CLT131 A1-008253-27FOSB18_WB64(610)_RUB10_SAND50_GLAM89 A1-008253-33FPCON38_SonusWave17_OSB18_WB64(610)_RUB10_SAND50_CLT13 A1-008253-26FPCON38_SonusWave17_OSB18_WB64(610)_RUB10_SAND50_GLAM A1-008253-34F


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Precast concrete toppings vs. dry toppings

The TL and NISPL of CLT floor assemblies with a precast concrete topping (38 mm or 70 mm) and with dry panelized toppings are compared in Graph 5 and 6.

TL curves of the CLT floors with a concrete precast topping on a resilient membrane (blue, green and red) are higher that the curves of the CLT floors with dry panelized toppings (purple and aqua). The difference in TL between the different precast concrete thicknesses (blue vs red) or the type of interlayer (red vs green) is not significant. For the NISPL curves, the floors with the precast concrete topping (blue, green and red) are better than those with the dry panelized toppings (purple and aqua).

In terms of IIC rating, as shown in the legend below the graph, the best floor assembly is the one with the 38 mm precast concrete on the SonusWave 25 mm rubber mat with IIC 49. The mass of precast concrete toppings of 38 mm (98.6 kg/m2) and 70 mm (165.8 kg/m2) outweigh the mass of the SonoDeck (13.5 kg/m2) and that of the Fermacell (26.0 kg/m2). For poured or precast concrete slabs (06F vs. 07F), the increase from the 38 mm to the 70 mm precast is not noticeable for STC rating (STC 56 each) and has a unexpected, possibly unrepeatable, negative effect for the IIC rating (IIC 49 to 46).

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STC IIC1 56 492 56 463 57 454 44 385 48 41

PCON70_SonusWave25_CLT131 A1-008253-07F

Legend Specimen NumberPCON38_SonusWave25_CLT131 A1-008253-06F

PCON70_ComfortBoardIS32_CLT131 A1-008253-10FSonoDeck_CLT131 A1-008253-02FFermacell[2E31]_CLT131 A1-008253-04F


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Precast concrete toppings vs. OSB raft topping vs. OSB raft topping with concrete topping

A set of CLT floors with precast concrete toppings and various OSB raft configurations are compared in Graph 7 and 8.

Comparing all the TL and NISPL results of the floors tested, the best floor assembly is the one with the OSB raft topping which includes a 38 mm precast concrete topping on top of 17 mm SonusWave (A1-008253-26F | the light blue curve) and achieves STC 66 and IIC 60 as shown in the legend below the graph. Removing the sand fill from the best assembly (26F) and substituting it with glass fiber batts (A1-008253-31F) or removing the SonusWave from the best assembly (26F) (A1-008253-25F) achieves lower TL and NISPL results.

The installation of the OSB raft is beneficial since it highly decouples the rigid CLT floor. The mass of the sand also increases the area density.

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STC IIC1 39 222 56 493 56 464 52 475 64 536 60 547 66 60

PCON38_SonusWave25_CLT131 A1-008253-06F


PCON70_SonusWave25_CLT131 A1-008253-07FOSB18_WB64(610)_RUB10_SAND50_CLT131 A1-008253-27FPCON38_OSB18_WB64(610)_RUB10_SAND50_CLT131 A1-008253-25FPCON38_SonusWave17_OSB18_WB64(610)_RUB10_GFB65_CLT131 A1-008253-31FPCON38_SonusWave17_OSB18_WB64(610)_RUB10_SAND50_CLT13 A1-008253-26F


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Floor patches – improving impact ratings

The NISPL results of non-standard light impact tests of laminate flooring with panelized toppings on select CLT floor assemblies are shown in Graph 9.

The best CLT floor assembly (in purple) with the lowest NISPL curve is composed of a patch of laminate flooring on a 38 mm precast concrete topping on 17 mm SonusWave rubber membrane on top of the OSB raft. The addition of laminate flooring to the bare concrete surfaces improves the NISPL curves; moving from the blue to the red curve, or from the green to the purple curve. The IIC improves by 6 or 4 points respectively for those two set of curves as shown in the legend under the graph.

In general, the improvement of IIC ratings due to the addition of coverings will be more noticeable for floors where the IIC ratings are limited at mid to high frequencies and for reference floors that have lower IIC ratings.

Graph 9: Light Impact NISPL

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STC IIC1 57 452 N/A 513 60 544 N/A 58

PCON38_SonusWave17_OSB18_WB64(610)_RUB10_GFB65_CLT131 A1-008253-31F*Small Patch*LAM8_SoftStride_PCON38_SonusWave17_OSB18_WB A1-008253-32SF

Legend Specimen NumberPCON70_ComfortBoardIS32_CLT131 A1-008253-10F*Small Patch*LAM8_SoftStride_PCON70_ComfortBoardIS32_CLT13 A1-008253-23SF


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Other Considerations Varying the thickness of the CLT or glulam floor

One CLT floor thickness (131 mm) and one glulam floor thickness (89 mm) were evaluated as part of this floor test series. As seen in Graph 3 and 4, the test results show that CLT or glulam floors with the same topping achieve similar TL and NISPL values as well as STC and IIC ratings (±2). It is expected that an increase in the thickness of the base floor assembly will not degrade the TL or NISPL values.

Precast vs. poured concrete toppings

As part of this test series, no comparisons were performed for precast vs. poured concrete toppings. In referring to report A1-006070.10 and the floor tests reported there, it is expected that STC ratings will remains the same or improve for poured toppings (vs. precast), whereas it is expected that IIC ratings will decrease. The improvement or deterioration of the STC and IIC is strongly dependent on the mass of the topping and the resiliency of the underlayment.

Specifications for sand fill

For this project, silica sand #71 was used as fill under the OSB raft but any other sand or fill with a density varying between 1400 kg and 1700 kg could be used as a substitute without significant change to IIC and STC ratings. It is important that the sand or fill be dry, remains loose and that only sand types approved to be installed in buildings are used.

In-situ vs. laboratory results

The laboratory sound insulation results measured according to ASTM E90 and ASTM E492 represent an upper limit of the direct sound insulation that can be measured in-situ. A number of factors influence the in-situ performance, for example: flanking sound transmission, specimen size, specimen coupling and construction workmanship.


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Client Nordic Engineered Wood

1100 Ave des Canadiens-de-Montreal Montreal QC H3B 2S2

Specimen Bare CLT 5 ply (131 mm)

Specimen ID A1-008253-01F

Construction Date: January 22, 2016

Specimen Description CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.

Cross-section of A1-008253-01F

Specimen Properties

Element Actual

thickness (mm)

Mass (kg) Mass/length, area or volume

131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 131 1 343 69.5 kg/m2

Test Specimen Installation

• The exposed area of the floor specimen used for the calculations of the airborne sound transmission loss was 17.85 m2 (4.71 m x 3.79 m).

• The total area of the floor assembly resting on top of the lip was 19.32 m2 (4.88 m x 3.96 m). • The mass per area of the elements above the lip was calculated using the total area (19.32 m2).


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ASTM E90 Test Results – Airborne Sound Transmission Loss

Client: Nordic Engineered Wood Test ID: TLF-16-003

Specimen ID: A1-008253-01F Date of Test: January 25, 2016

Room Volume (m³) Air Temperature (°C) Humidity (%)

Upper 177.0 22.2 to 22.7 33.8 to 34.7 Area S of test specimen: 17.85 m2

Lower 176.9 17.8 to 18.7 35.4 to 38.1 Mass per unit area: 69.5 kg/m2

f (Hz)

Airborne TL (dB)

50 21

63 25

80 25

100 27

125 28

160 28

200 28

250 30

315 31

400 32

500 34

630 37

800 39

1000 41

1250 43

1600 46

2000 48

2500 51

3150 52

4000 53

5000 50

Sound Transmission

Class (STC) 39

Sum of Deficiencies (dB)

24 Max. Deficiency (dB)

6 dB at 400 Hz

For a description of the test specimen and mounting conditions see text pages before. The results in this report apply only to the specific sample submitted for measurement. No responsibility is assumed for performance of any other specimen. Airborne sound transmission loss measurements were conducted in accordance with the requirements of ASTM E90-09, “Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements”. In the graph: The solid line is the measured sound transmission loss for this specimen. The dashed line is the STC contour fitted to the measured values according to ASTM E413-10. The dotted line (may be above the displayed range) is 10 dB below the flanking limit established for this facility. For any frequency band where the measured transmission loss is above the dotted line, the reported value is potentially limited by flanking transmission via laboratory surfaces, and the true value may be higher than that measured. Bars at the bottom of the graph show deficiencies where the measured data are less than the reference contour as described in the fitting procedure for the STC, defined in ASTM E413-10. The shaded cells in the table and areas in the graph are outside the STC contour range. In the table: Values marked “c” indicate that the measured background level was between 5 dB and 10 dB below the combined receiving room level and background level. The reported values have been corrected according to the procedure outlined in ASTM E90-09. Values marked “*” indicate that the measured background level was less than 5 dB below the combined receiving room level and background level, in which case, the corrected values provide an estimate of the lower limit of airborne sound transmission loss.

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STC 39


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ASTM E492 Test Results – Normalized Impact Sound Pressure Levels

Client: Nordic Engineered Wood Test ID: IIF-16-002





f (Hz)

NISPL (dB)

50 76

63 72

80 72

100 75

125 79

160 81

200 82

250 83

315 84

400 86

500 87

630 87

800 88

1000 88

1250 87

1600 86

2000 82

2500 76

3150 66

4000 62

5000 59

Impact Insulation

Class (IIC)

22

Sum of Positive Differences (dB)

26 Max. Positive Difference (dB)

7 dB at 1600 Hz

For a description of the test specimen and mounting conditions see text pages before. The results in this report apply only to the specific sample submitted for measurement. No responsibility is assumed for performance of any other specimen. Measurements of normalized impact sound pressure level (NISPL) were conducted in accordance with the requirements of ASTM E492-09, “Standard Laboratory Measurement of Impact Sound Transmission through Floor-Ceiling Assemblies Using the Tapping Machine” with the exception that the temperature the lower room fell below 17 ºC. In the graph: The solid line is the measured normalized impact sound pressure level (NISPL) for this specimen. The dashed line is the IIC contour fitted to the measured values according to ASTM E989-06. The dotted line is the background sound level measured in the receiving room during this test (may be below the displayed range). For any frequency where the measured NISPL is less than 10 dB above the dotted line, the reported values were adjusted as noted below. Bars at the bottom of the graph show positive differences; where the measured data are greater than the reference contour as defined in ASTM E989-06. Shaded cells in the table and areas in the graph are outside the IIC contour range. In the table: Values marked “c” indicate that the measured background level was between 5 dB and 10 dB below the combined receiving room level and background level. Values marked “*” indicate that the measured background level was less than 5 dB below the combined receiving room level and background level and the reported values of NISPL provide an estimate of the upper limit of normalized impact sound pressure level, according to the procedure outlined in ASTM E492-09. The reported values of NISPL have been corrected according to the procedure outlined in ASTM E492-09.

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IIC 22


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Specimen SonoDeck on CLT 5 ply (131 mm)


Construction Date: January 29, 2016 to February 1, 2016

Specimen Description Topping: SonoDeck engineered acoustic panels from InsulFloor measuring 800 mm x 1220 mm x 25 mm (31.5” x 48” x 1”) are composed of two layers of 9.5 mm (3/8”) OSB glued together with 6 mm (1/4”) fiberglass mat on the bottom. The 25 mm (1”) overlapping joints of the panels were glued and stapled using 18 Ga. ¼” x ¾” narrow crown staples along the joints every 305 mm (12”). Each row of SonoDeck panels was offset by half a panel length (400 mm). The gap between the SonoDeck and the test frame was filled with closed cell polyethylene foam. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


25 mm SonoDeck engineered acoustic panels 25 261 13.5 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 156 1 604 83.0 kg/m2





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Specimen ID: A1-008253-02F Date of Test: February 2, 2016




f (Hz)

Airborne TL (dB)

50 43

63 51

80 46

100 44

125 45

160 44

200 46

250 49

315 51

400 54

500 57

630 58

800 60

1000 62

1250 65

1600 68

2000 72

2500 77

3150 83

4000 87

5000 89

Sound Transmission

Class (STC) 44



8 dB at 200 and 250 Hz


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STC 44


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f (Hz)

NISPL (dB)

50 67

63 69

80 70

100 71

125 76

160 78

200 82

250 80

315 75

400 71

500 66

630 60

800 57

1000 53

1250 47

1600 41

2000 36

2500 30

3150 27 c

4000 25 c

5000 25 *

Impact Insulation

Class (IIC)

38



8 dB at 200 Hz

For a description of the test specimen and mounting conditions see text pages before. The results in this report apply only to the specific sample submitted for measurement. No responsibility is assumed for performance of any other specimen. Measurements of normalized impact sound pressure level (NISPL) were conducted in accordance with the requirements of ASTM E492-09, “Standard Laboratory Measurement of Impact Sound Transmission through Floor-Ceiling Assemblies Using the Tapping Machine”. In the graph: The solid line is the measured normalized impact sound pressure level (NISPL) for this specimen. The dashed line is the IIC contour fitted to the measured values according to ASTM E989-06. The dotted line is the background sound level measured in the receiving room during this test (may be below the displayed range). For any frequency where the measured NISPL is less than 10 dB above the dotted line, the reported values were adjusted as noted below. Bars at the bottom of the graph show positive differences; where the measured data are greater than the reference contour as defined in ASTM E989-06. Shaded cells in the table and areas in the graph are outside the IIC contour range. In the table: Values marked “c” indicate that the measured background level was between 5 dB and 10 dB below the combined receiving room level and background level. Values marked “*” indicate that the measured background level was less than 5 dB below the combined receiving room level and background level and the reported values of NISPL provide an estimate of the upper limit of normalized impact sound pressure level, according to the procedure outlined in ASTM E492-09. The reported values of NISPL have been corrected according to the procedure outlined in ASTM E492-09.

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in d

B

Frequency, f, in Hz

IIC 38


Page 24 of 101



Specimen Fermacell 2E31 on CLT 5 ply (131 mm)


Construction Date: February 9, 2006 to February 10, 2016

Specimen Description Topping: Fermacell panels type 2E31 (EE20+WF10) measuring 500 mm wide x 1500 m long x 30 mm thick were installed on top of the CLT floor. The rabbeted edges of the Fermacell panels were glued using the Fermacell floor glue and screwed together using Fermacell floor screws 3.9 mm x 19 mm spaced at a minimum of 200 mm on centre along the joints. Each row of Fermacell panels was offset from the adjoining rows. Perimeter strips were installed all around the floor to decouple the Fermacell panels from the test frame. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


30 mm Fermacell 2E31 (EE20+WF10) 30 514 26.6 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 161 1 857 96.1 kg/m2





Page 25 of 101



Page 26 of 101







f (Hz)

Airborne TL (dB)

50 25

63 30

80 29

100 30

125 32

160 32

200 33

250 35

315 38

400 42

500 45

630 49

800 53

1000 58

1250 62

1600 66

2000 69

2500 70

3150 73

4000 74

5000 73

Sound Transmission

Class (STC) 48





3 5

6 6 5

3

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 48


Page 27 of 101







f (Hz)

NISPL (dB)

50 69

63 65

80 66

100 69

125 73

160 74

200 76

250 76

315 76

400 75

500 74

630 70

800 67

1000 64

1250 60

1600 54

2000 50

2500 46

3150 41

4000 40

5000 39

Impact Insulation

Class (IIC)

41


32 Max. Positive Difference (dB) 5dB at 200, 250, 315, 400 and 500Hz


2 3

5 5 5 5 5

2

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 41


Page 28 of 101



Specimen 38 mm precast concrete slab on 25 mm SonusWave™ placed on top of a CLT 5 ply (131 mm)


Construction Date: March 10, 2016 to March 11, 2016

Specimen Description Topping: A 38 mm (1-1/2”) precast concrete slab was placed on 25 mm Regupol® SonusWave™ which was placed on the CLT floor. The edge of the precast concrete slab was filled with insulation and taped. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 25 mm Regupol® SonusWave™ 25 261 13.5 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 194 3 508 181.6 kg/m2





Page 29 of 101



Page 30 of 101



Specimen ID: A1-008253-06F Date of Test: March 11, 2016




f (Hz)

Airborne TL (dB)

50 31

63 34

80 33

100 33

125 36

160 37

200 39

250 44

315 49

400 53

500 55

630 57

800 62

1000 68

1250 73

1600 79

2000 85 c

2500 88 *

3150 90 *

4000 91 *

5000 90 *

Sound Transmission

Class (STC) 56



7 dB at 200 Hz


4 6

7 5

3 2

1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 56


Page 31 of 101







f (Hz)

NISPL (dB)

50 58

63 59

80 67

100 66

125 67

160 67

200 66

250 64

315 64

400 64

500 63

630 63

800 61

1000 57

1250 54

1600 52

2000 50

2500 48

3150 44

4000 43

5000 43

Impact Insulation

Class (IIC)

49





3 4 4

3 1 1

2 2 3

2 1

2 1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 49


Page 32 of 101



Specimen 70 mm precast concrete slab on 25 mm SonusWave™ placed on top of a CLT 5 ply (131 mm)


Construction Date: February 29, 2016

Specimen Description Topping: A 70 mm (2-3/4”) precast concrete slab was placed on 25 mm Regupol® SonusWave™ which was placed on the CLT floor. The edge of the precast concrete slab was filled with insulation and taped. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


70 mm Precast Concrete Slab 70 3 202 165.8 kg/m2 25 mm Regupol® SonusWave™ 25 261 13.5 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 226 4 740 245.4 kg/m2





Page 33 of 101



Page 34 of 101







f (Hz)

Airborne TL (dB)

50 33

63 37

80 37

100 36

125 39

160 38

200 41

250 45

315 45

400 49

500 53

630 58

800 61

1000 67

1250 72

1600 79

2000 86 c

2500 89 *

3150 89 *

4000 90 *

5000 91 c

Sound Transmission

Class (STC) 56



7 dB at 315 Hz


1

5 5 4

7 6

3

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 56


Page 35 of 101







f (Hz)

NISPL (dB)

50 51

63 46

80 50

100 53

125 55

160 61

200 61

250 61

315 65

400 64

500 64

630 65

800 65

1000 63

1250 59

1600 50

2000 46

2500 43

3150 36

4000 33

5000 31

Impact Insulation

Class (IIC)

46



5 dB at 250 Hz

For a description of the test specimen and mounting conditions see text pages before. The results in this report apply only to the specific sample submitted for measurement. No responsibility is assumed for performance of any other specimen. Measurements of normalized impact sound pressure level (NISPL) were conducted in accordance with the requirements of ASTM E492-09, “Standard Laboratory Measurement of Impact Sound Transmission through Floor-Ceiling Assemblies Using the Tapping Machine” with the exception that the temperature in the lower room fell below 17 ºC. In the graph: The solid line is the measured normalized impact sound pressure level (NISPL) for this specimen. The dashed line is the IIC contour fitted to the measured values according to ASTM E989-06. The dotted line is the background sound level measured in the receiving room during this test (may be below the displayed range). For any frequency where the measured NISPL is less than 10 dB above the dotted line, the reported values were adjusted as noted below. Bars at the bottom of the graph show positive differences; where the measured data are greater than the reference contour as defined in ASTM E989-06. Shaded cells in the table and areas in the graph are outside the IIC contour range. In the table: Values marked “c” indicate that the measured background level was between 5 dB and 10 dB below the combined receiving room level and background level. Values marked “*” indicate that the measured background level was less than 5 dB below the combined receiving room level and background level and the reported values of NISPL provide an estimate of the upper limit of normalized impact sound pressure level, according to the procedure outlined in ASTM E492-09. The reported values of NISPL have been corrected according to the procedure outlined in ASTM E492-09.

2 4

5 3

4

1 1 2

1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 46


Page 36 of 101



Specimen 70 mm precast concrete slab on 32 mm Roxul® ComfortBoard IS placed on top of a CLT 5 ply (131 mm)


Construction Date: March 3, 2016

Specimen Description Topping: A 70 mm (2-3/4”) precast concrete slab was placed on Roxul® ComfortBoard IS which was placed on the CLT floor. The edge of the precast concrete slab was filled with insulation and taped. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


70 mm Precast Concrete Slab 70 3 202 165.8 kg/m2 32 mm Roxul® ComfortBoard IS 32 78 4.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 233 4 623 239.4 kg/m2





Page 37 of 101



Page 38 of 101







f (Hz)

Airborne TL (dB)

50 34

63 32

80 33

100 35

125 38

160 37

200 42

250 47

315 48

400 51

500 56

630 59

800 61

1000 65

1250 68

1600 75

2000 82

2500 86 c

3150 89 *

4000 91 *

5000 91 *

Sound Transmission

Class (STC) 57



7 dB at 160 Hz


3

7 5

3 5 5

1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 57


Page 39 of 101







f (Hz)

NISPL (dB)

50 66

63 65

80 65

100 70

125 67

160 69

200 67

250 67

315 65

400 67

500 63

630 64

800 65

1000 64

1250 63

1600 59

2000 55

2500 52

3150 48

4000 46

5000 44

Impact Insulation

Class (IIC)

45



4 dB at 1250 Hz


3 2

1 2 2

4 3

2 2 1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 45


Page 40 of 101



Specimen Bare glulam decking (89 mm)


Construction Date: January 26, 2016

Specimen Description Glulam Decking: The specimen was composed of 13 glued-laminated timber (glulam) decking panels nominally 384 mm wide x 89 mm thick x 3890 mm long (15” x 3-1/2” x 153”). The combined panels filled the entire floor opening of the test frame. The glulam decking panels were joined using 90 mm (3-1/2”) long common nails spaced 300 mm (12”) on centre along the joints. The glulam decking floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the glulam decking floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the glulam.


Fastening details of glulam decking

Specimen Properties

Element Actual

thickness (mm)


89 mm Glulam Decking 89 971 50.2 kg/m2 Total 89 971 50.2 kg/m2





Page 41 of 101



Page 42 of 101







f (Hz)

Airborne TL (dB)

50 17

63 21

80 25

100 25

125 22

160 26

200 26

250 29

315 29

400 32

500 33

630 34

800 35

1000 35

1250 35

1600 36

2000 37

2500 38

3150 41

4000 44

5000 40

Sound Transmission

Class (STC) 35



4 dB at 1250 Hz


2 2 2 2 2 3

4 3

2 1

0

10

20

30

40

50

60

70

80

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 35


Page 43 of 101







f (Hz)

NISPL (dB)

50 77

63 74

80 74

100 78

125 86

160 82

200 83

250 83

315 85

400 86

500 88

630 88

800 89

1000 90

1250 90

1600 88

2000 85

2500 80

3150 71

4000 65

5000 61

Impact Insulation

Class (IIC)

20



7 dB at 1600 and 2000 Hz


1 3

6 7 7

5

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 20


Page 44 of 101



Specimen Fermacell 2E31 on glulam decking (89 mm)


Construction Date: February 3, 2016

Specimen Description Topping: Fermacell panels type 2E31 (EE20+WF10) measuring 500 mm wide x 1500 mm long x 30 mm thick were installed on top of the glulam decking. The rabbeted edges of the Fermacell panels were glued using the Fermacell floor glue and screwed together using Fermacell floor screws 3.9 mm x 19 mm spaced at a minimum of 200 mm on centre along the joints. Each row of Fermacell panels was offset from the adjoining rows. Perimeter strips were installed all around the floor to decouple the Fermacell panels from the test frame. Glulam Decking: The specimen was composed of 13 glued-laminated timber (glulam) decking panels nominally 384 mm wide x 89 mm thick x 3890 mm long (15” x 3-1/2” x 153”). The combined panels filled the entire floor opening of the test frame. The glulam decking panels were joined using 90 mm (3-1/2”) long common nails spaced 300 mm (12”) on centre along the joints. The glulam decking floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the glulam decking floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the glulam.


Specimen Properties

Element Actual

thickness (mm)


30 mm Fermacell 2E31 (EE20+WF10) 30 514 26.6 kg/m2 89 mm Glulam Decking 89 971 50.2 kg/m2 Total 119 1 485 76.8 kg/m2





Page 45 of 101



Page 46 of 101







f (Hz)

Airborne TL (dB)

50 24

63 28

80 30

100 28

125 30

160 30

200 32

250 35

315 37

400 40

500 44

630 47

800 50

1000 54

1250 57

1600 59

2000 60

2500 62

3150 66

4000 69

5000 70

Sound Transmission

Class (STC) 47





1

4 5 5

6 6

3 1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 47


Page 47 of 101







f (Hz)

NISPL (dB)

50 64

63 64

80 67

100 70

125 72

160 75

200 77

250 78

315 78

400 78

500 77

630 76

800 74

1000 72

1250 68

1600 64

2000 59

2500 54

3150 50

4000 47

5000 45

Impact Insulation

Class (IIC)

37



4 dB at 400, 500 and 630 Hz


2 3 3

4 4 4 3

2 1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 37


Page 48 of 101



Specimen 70 mm precast concrete slab on 25 mm SonusWave™ placed on top of a glulam decking (131 mm)


Construction Date: February 17, 2016 to February 24, 2016

Specimen Description Topping: A 70 mm (2-3/4”) precast concrete slab was placed on 25 mm Regupol® SonusWave™ which was placed on the glulam decking. The edge of the precast concrete slab was filled with insulation and taped. Glulam Decking: The specimen was composed of 13 glued-laminated timber (glulam) decking panels nominally 384 mm wide x 89 mm thick x 3890 mm long (15” x 3-1/2” x 153”). The combined panels filled the entire floor opening of the test frame. The glulam decking panels were joined using 90 mm (3-1/2”) long common nails spaced 300 mm (12”) on centre along the joints. The glulam decking floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the glulam decking floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the glulam.


Specimen Properties

Element Actual

thickness (mm)


70 mm Precast Concrete Slab 70 3 202 165.8 kg/m2 25 mm Regupol® SonusWave™ 25 195 10.1 kg/m2 89 mm Glulam Decking 89 971 50.2 kg/m2 Total 184 4 368 226.1 kg/m2





Page 49 of 101



Page 50 of 101







f (Hz)

Airborne TL (dB)

50 32

63 36

80 36

100 35

125 36

160 38

200 41

250 43

315 43

400 46

500 53

630 58

800 62

1000 67

1250 71

1600 76

2000 83

2500 87 c

3150 90 *

4000 91 *

5000 92 *

Sound Transmission

Class (STC) 54





2 3 3

4

7 7

1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 54


Page 51 of 101







f (Hz)

NISPL (dB)

50 55

63 57

80 62

100 67

125 71

160 73

200 73

250 72

315 72

400 70

500 66

630 65

800 63

1000 62

1250 59

1600 55

2000 51

2500 50

3150 47

4000 47

5000 47

Impact Insulation

Class (IIC)

45





4 6 6

5 5 4

1 1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 45


Page 52 of 101



Specimen 38 mm precast concrete slab placed directly on a OSB wood raft with sand on top of a CLT 5 ply (131 mm)


Construction Date: March 17, 2016 to March 21, 2016

Specimen Description Topping: A 38 mm (1-1/2”) precast concrete slab was installed directly on top of OSB sheeting. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. Fill: A 6 mil polyethylene sheet was placed on the CLT and the wood battens with rubber membrane were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the battens leaving a 12 mm (1/2”) air gap between the sand and the OSB. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 261 4 905 253.9 kg/m2 * The thickness of the sand is not included in the total specimen thickness.


Page 53 of 101





Page 54 of 101







f (Hz)

Airborne TL (dB)

50 35

63 36

80 36

100 37

125 41

160 45

200 48

250 54

315 56

400 62

500 65 c

630 63

800 68

1000 71

1250 77

1600 81

2000 86 c

2500 90 c

3150 91 c

4000 91 c

5000 90 c

Sound Transmission

Class (STC) 64



7 dB at 125 Hz


7 6 6

3 4

1 2

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 64


Page 55 of 101







f (Hz)

NISPL (dB)

50 58

63 60

80 59

100 61

125 61

160 61

200 61

250 58

315 58

400 54

500 54

630 56

800 56

1000 55

1250 52

1600 54

2000 50

2500 47

3150 42

4000 40

5000 39

Impact Insulation

Class (IIC)

53



6 dB at 1600 Hz


2 2 2 2 1 1 1

6 5 5

3

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 53


Page 56 of 101

Client: Nordic Engineered Wood


Specimen: 38 mm precast concrete slab on 17 mm SonusWave™ placed on a OSB wood raft with sand on top of a CLT 5 ply (131 mm)

Specimen ID: A1-008253-26F

Construction Date: March 23, 2016

Specimen Description Topping: A 38 mm (1-1/2”) precast concrete slab was placed on 17 mm Regupol® SonusWave™ on top of OSB sheeting. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. Fill: A 6 mil polyethylene sheet was placed on the CLT and the wood battens with rubber membrane were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the battens leaving a 12 mm (1/2”) air gap between the sand and the OSB. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 17 mm Regupol® SonusWave™ 17 157 8.1 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 278 5 062 262.0 kg/m2 * The thickness of the sand is not included in the total specimen thickness.


Page 57 of 101





Page 58 of 101







f (Hz)

Airborne TL (dB)

50 33

63 34

80 38

100 40

125 44

160 46

200 49

250 55

315 57

400 63

500 68

630 70

800 72

1000 74

1250 79

1600 84

2000 90 c

2500 92 *

3150 92 c

4000 92 c

5000 92 c

Sound Transmission

Class (STC) 66





6 7 7

4 5

2

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 66


Page 59 of 101







f (Hz)

NISPL (dB)

50 58

63 60

80 59

100 61

125 61

160 61

200 61

250 58

315 58

400 54

500 54

630 56

800 56

1000 55

1250 52

1600 54

2000 50

2500 47 *

3150 42 *

4000 40 *

5000 39 *

Impact Insulation

Class (IIC)

60



5 dB at 125, 160 and 200 Hz


3 5 5 5

3 4

1

0

10

20

30

40

50

60

70

80

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 60


Page 60 of 101



Specimen OSB wood raft with sand on top of a CLT 5 ply (131 mm)


Construction Date March 29, 2016

Specimen Description Topping: The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. Fill: A 6 mil polyethylene sheet was placed on the CLT and the wood battens with rubber membrane were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the battens leaving a 12 mm (1/2”) air gap between the sand and the OSB. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 223 3 000 155.3 kg/m2 * The thickness of the sand is not included in the total specimen thickness.


Page 61 of 101





Page 62 of 101







f (Hz)

Airborne TL (dB)

50 34

63 35

80 34

100 34

125 33

160 32

200 38

250 42

315 43

400 46

500 55

630 57

800 60

1000 62

1250 65

1600 67

2000 70

2500 75

3150 79

4000 80

5000 81

Sound Transmission

Class (STC) 52



7 dB at 160 Hz


3

7

4 3

5 5

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 52


Page 63 of 101







f (Hz)

NISPL (dB)

50 58

63 60

80 58

100 65

125 70

160 71

200 70

250 69

315 66

400 63

500 65

630 66

800 63

1000 58

1250 54

1600 51

2000 45

2500 41

3150 39

4000 35 c

5000 32 *

Impact Insulation

Class (IIC)

47



6 dB at 160 Hz


5 6

5 4

1 2

4 2

0

10

20

30

40

50

60

70

80

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 47


Page 64 of 101



Specimen Fermacell 2E31 placed on OSB wood raft with sand on top of a CLT 5 ply (131 mm)



Specimen Description Topping: Fermacell panels type 2E31 (EE20+WF10) measuring 500 mm wide x 1500 mm long x 30 mm thick were installed on top of OSB subfloor. The rabbeted edges of the Fermacell panels were glued using the Fermacell floor glue and screwed together using Fermacell floor screws 3.9 mm x 19 mm spaced at a minimum of 200 mm on centre along the joints. Each row of Fermacell panels was offset from the adjoining rows. Perimeter strips were installed all around the floor to decouple the Fermacell panels from the test frame. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. Fill: A 6 mil polyethylene sheet was placed on the CLT and the wood battens with rubber membrane were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the batten leaving a 12 mm (1/2”) air gap between the sand and the OSB. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


30 mm Fermacell 2E31 (EE20+WF10) 30 514 26.6 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 253 3 514 181.9 kg/m2


Page 65 of 101

* The thickness of the sand is not included in the total specimen thickness. Test Specimen Installation




Page 66 of 101







f (Hz)

Airborne TL (dB)

50 33

63 34

80 31

100 31

125 37

160 42

200 44

250 49

315 49

400 55

500 65

630 66

800 68

1000 71

1250 78

1600 83

2000 88 c

2500 91 c

3150 93 *

4000 93 *

5000 93 *

Sound Transmission

Class (STC) 59





6 4

5 3

6

3

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 59


Page 67 of 101







f (Hz)

NISPL (dB)

50 57

63 56

80 62

100 63

125 67

160 67

200 63

250 60

315 60

400 56

500 52

630 55

800 51

1000 47

1250 39

1600 35

2000 30

2500 24 *

3150 19 *

4000 17 *

5000 18 *

Impact Insulation

Class (IIC)

53





4

8 8

4

1 1

0

10

20

30

40

50

60

70

80

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 53


Page 68 of 101



Specimen SonoDeck placed on OSB wood raft with sand on top of a CLT 5 ply (131 mm)



Specimen Description Topping: SonoDeck engineered acoustic panels from InsulFloor measuring 800 mm x 1220 mm x 25 mm (31.5” x 48” x 1”) are composed of two layers of 9.5 mm (3/8”) OSB glued together with 6 mm (1/4”) fiberglass mat on the bottom. The SonoDeck was placed on top of the OSB subfloor. The 25 mm (1”) overlapping joints of the panels were glued and stapled using 18 Ga. ¼” x ¾” narrow crown staples along the joints every 305 mm (12”). Each row of SonoDeck panels was offset by half a panel length (400 mm). The gap between the SonoDeck and the test frame was filled with closed cell polyethylene foam. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. Fill: A 6 mil polyethylene sheet was placed on the CLT and the wood battens with rubber membrane were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the battens leaving a 12 mm (1/2”) air gap between the sand and the OSB. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


25 mm SonoDeck engineered acoustic panels 25 261 13.5 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 248 3 261 168.8 kg/m2


Page 69 of 101

* The thickness of the sand is not included in the total specimen thickness. Test Specimen Installation




Page 70 of 101







f (Hz)

Airborne TL (dB)

50 34

63 34

80 32

100 31

125 34

160 39

200 41

250 45

315 46

400 52

500 64

630 67

800 70

1000 73

1250 79

1600 84

2000 89 c

2500 92 *

3150 93 *

4000 93 *

5000 94 *

Sound Transmission

Class (STC) 56





6 4

5 4

6

3

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 56


Page 71 of 101







f (Hz)

NISPL (dB)

50 59

63 57

80 62

100 67

125 70

160 69

200 65

250 63

315 62

400 56

500 51

630 52

800 45

1000 38

1250 30

1600 24 c

2000 18 *

2500 14 *

3150 14 *

4000 15 *

5000 17 *

Impact Insulation

Class (IIC)

50



8 dB at 125 Hz


5

8 7

3 1

0

10

20

30

40

50

60

70

80

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 50


Page 72 of 101



Specimen 38 mm precast concrete slab on 17 mm SonusWave placed on a OSB wood raft (no sand) on top of a CLT 5 ply (131 mm)


Construction Date April 5, 2016

Specimen Description Topping: 38 mm (1-1/2”) precast concrete slab was placed on 17 mm Regupol® SonusWave™ on top of OSB sheeting. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 17 mm Regupol® SonusWave™ 17 157 8.1 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 278 3 675 190.2 kg/m2


Page 73 of 101





Page 74 of 101



Specimen ID: A1-008253-30F Date of Test: April 5, 2016




f (Hz)

Airborne TL (dB)

50 32

63 29

80 33

100 34

125 40

160 41

200 43

250 46

315 50

400 54

500 59

630 63

800 68

1000 73

1250 78

1600 82

2000 91 c

2500 92 c

3150 93 *

4000 93 *

5000 95 *

Sound Transmission

Class (STC) 59





3 5

6 6 5

4

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 59


Page 75 of 101







f (Hz)

NISPL (dB)

50 59

63 57

80 62

100 67

125 70

160 69

200 65

250 63

315 62

400 56

500 51

630 52

800 45

1000 38

1250 30

1600 24

2000 18

2500 14 c

3150 14 *

4000 15 *

5000 17 *

Impact Insulation

Class (IIC)

54



7 dB at 400 Hz


1 1

4 5

4 5

7

4

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 54


Page 76 of 101



Specimen 38 mm precast concrete slab on 17 mm SonusWave placed on a OSB wood raft (no sand) with glass fiber batts on top of a CLT 5 ply (131 mm)



Specimen Description Topping: A 38 mm (1-1/2”) precast concrete slab was placed on 17 mm Regupol® SonusWave™ on top of OSB sheeting. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. 65 mm (2-1/2”) glass fibre insulation batts were placed in the cavity. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 17 mm Regupol® SonusWave™ 17 157 8.1 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 65 mm Glass Fibre Insulation Batts *65 13 0.7 kg/m2 10 mm Rubber Membrane 10 21 7.7 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 278 3 688 190.9 kg/m2 * The thickness of the glass fibre insulation batts is not included in the total specimen thickness.


Page 77 of 101





Page 78 of 101







f (Hz)

Airborne TL (dB)

50 32

63 30

80 34

100 35

125 40

160 42

200 44

250 47

315 52

400 55

500 59

630 63

800 68

1000 73

1250 78

1600 83

2000 91 c

2500 93 *

3150 94 *

4000 93 *

5000 94 *

Sound Transmission

Class (STC) 60




For a description of the test specimen and mounting conditions see text pages before. The results in this report apply only to the specific sample submitted for measurement. No responsibility is assumed for performance of any other specimen. Airborne sound transmission loss measurements were conducted in accordance with the requirements of ASTM E90-09, “Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements” with the exception that the humidity variation in the lower room was greater than 3%. In the graph: The solid line is the measured sound transmission loss for this specimen. The dashed line is the STC contour fitted to the measured values according to ASTM E413-10. The dotted line (may be above the displayed range) is 10 dB below the flanking limit established for this facility. For any frequency band where the measured transmission loss is above the dotted line, the reported value is potentially limited by flanking transmission via laboratory surfaces, and the true value may be higher than that measured. Bars at the bottom of the graph show deficiencies where the measured data are less than the reference contour as described in the fitting procedure for the STC, defined in ASTM E413-10. The shaded cells in the table and areas in the graph are outside the STC contour range. In the table: Values marked “c” indicate that the measured background level was between 5 dB and 10 dB below the combined receiving room level and background level. The reported values have been corrected according to the procedure outlined in ASTM E90-09. Values marked “*” indicate that the measured background level was less than 5 dB below the combined receiving room level and background level, in which case, the corrected values provide an estimate of the lower limit of airborne sound transmission loss.

4 5

6 6 4 4

1

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 60


Page 79 of 101







f (Hz)

NISPL (dB)

50 63

63 62

80 57

100 59

125 59

160 60

200 62

250 62

315 62

400 63

500 60

630 55

800 50

1000 46

1250 41

1600 34

2000 26

2500 17 *

3150 15 *

4000 16 *

5000 17 *

Impact Insulation

Class (IIC)

54



6 dB at 400 Hz


1 1 2

4 4 4 6

4

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 54


Page 80 of 101



Specimen OSB wood raft with sand on top of glulam decking (89 mm)


Construction Date April 11, 2016 to April 12, 2016

Specimen Description Topping: The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. Fill: A 6 mil polyethylene sheet was placed on the CLT and the wood battens with rubber membrane were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the battens leaving a 12 mm (1/2”) air gap between the sand and the OSB. Glulam Decking: The specimen was composed of 13 glued-laminated timber (glulam) decking panels nominally 384 mm wide x 89 mm thick x 3890 mm long (15” x 3-1/2” x 153”). The combined panels filled the entire floor opening of the test frame. The glulam decking panels were joined using 90 mm (3-1/2”) long common nails spaced 300 mm (12”) on centre along the joints. The glulam decking floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the glulam decking floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the glulam.


Specimen Properties

Element Actual

thickness (mm)


18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 89 mm Glulam Decking 89 971 50.2 kg/m2 Total 181 2 628 136.0 kg/m2 * The thickness of the sand is not included in the total specimen thickness.


Page 81 of 101





Page 82 of 101







f (Hz)

Airborne TL (dB)

50 33

63 34

80 34

100 33

125 33

160 33

200 34

250 39

315 42

400 45

500 51

630 53

800 55

1000 57

1250 61

1600 63

2000 66

2500 72

3150 76

4000 80

5000 82

Sound Transmission

Class (STC) 51



7 dB at 200 Hz


2

5 7

5 5 5

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 51


Page 83 of 101







f (Hz)

NISPL (dB)

50 60

63 59

80 62

100 64

125 69

160 71

200 71

250 69

315 67

400 64

500 66

630 65

800 63

1000 59

1250 54

1600 48

2000 42

2500 36

3150 31

4000 26 *

5000 22 *

Impact Insulation

Class (IIC)

47





4 6 6

4 2

3 3 2

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 47


Page 84 of 101



Specimen 38 mm precast concrete slab on 17 mm SonusWave placed on a OSB wood raft on top of glulam decking (89 mm)



Specimen Description Topping: A 38 mm (1-1/2”) precast concrete slab was placed on 17 mm Regupol® SonusWave™ on top of OSB sheeting. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. Fill: A 6 mil polyethylene sheet was placed on the CLT and the wood battens with rubber membrane were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the battens leaving a 12 mm (1/2”) air gap between the sand and the OSB. Glulam Decking: The specimen was composed of 13 glued-laminated timber (glulam) decking panels nominally 384 mm wide x 89 mm thick x 3890 mm long (15” x 3-1/2” x 153”). The combined panels filled the entire floor opening of the test frame. The glulam decking panels were joined using 90 mm (3-1/2”) long common nails spaced 300 mm (12”) on centre along the joints. The glulam decking floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the glulam decking floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the glulam.


Specimen Properties

Element Actual

thickness (mm)


38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 17 mm Regupol® SonusWave™ 17 157 8.1 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 89 mm Glulam Decking 89 971 50.2 kg/m2 Total 236 4 690 242.8 kg/m2 * The thickness of the sand is not included in the total specimen thickness.


Page 85 of 101





Page 86 of 101







f (Hz)

Airborne TL (dB)

50 32

63 32

80 38

100 39

125 44

160 48

200 48

250 53

315 57

400 60

500 65

630 67

800 69

1000 71

1250 78

1600 84

2000 91 c

2500 93 *

3150 94 *

4000 95 *

5000 96 *

Sound Transmission

Class (STC) 65



7 dB at 200 Hz


5 4

7 5

4 4

20

30

40

50

60

70

80

90

100

63 125 250 500 1000 2000 4000

Airb

orne

Sou

nd T

rans

mis

sion

Los

s, T

L, in

dB

Frequency, f, in Hz

STC 65


Page 87 of 101







f (Hz)

NISPL (dB)

50 61

63 60

80 59

100 56

125 57

160 56

200 57

250 55

315 57

400 56

500 52

630 52

800 51

1000 48

1250 41

1600 31

2000 26

2500 16 *

3150 15 *

4000 16 *

5000 17 *

Impact Insulation

Class (IIC)

59



4 dB at 125, 200, 315 and 400 Hz


3 4

3 4

2 4 4

1 2 2

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 59


Page 88 of 101



Specimen Small patch of Fermacell 2E31 on 70 mm precast concrete slab on 25 mm SonusWave placed on top of a CLT 5 ply (131 mm)

Specimen ID A1-008253-21SF


Specimen Description Covering (small patch): Fermacell panels type 2E31 (EE20+WF10) measuring 500 mm wide x 1500 mm long x 30 mm thick were installed on top of OSB subfloor. The rabbeted edges of the Fermacell panels were not glued or screwed. The patch covered an approximate area of 4 m2 in the middle of the floor. Topping: A 70 mm (2-3/4”) precast concrete slab was placed on 25 mm Regupol® SonusWave™ which was placed on the CLT floor. The edge of the precast concrete slab was filled with insulation and taped. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.

Cross-section of A1-008253-21SF

Specimen Properties

Element Actual

thickness (mm)


30 mm Fermacell 2E31 (EE20+WF10) 30 * 26.6 kg/m2 70 mm Precast Concrete Slab 70 3 202 165.8 kg/m2 25 mm Regupol® SonusWave™ 25 261 13.5 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 256 * 272.0 kg/m2 * Mass of small patch not added to total floor mass.

Test Results – Normalized Impact Sound Pressure Levels (Non-Standard)


Page 89 of 101



Specimen ID: A1-008253-21SF Date of Test: March 10, 2016




f (Hz)

NISPL (dB)

50 54

63 55

80 61

100 63

125 66

160 67

200 68

250 65

315 60

400 60

500 54

630 49

800 45

1000 37

1250 28 c

1600 20 c

2000 14 *

2500 15 *

3150 16 *

4000 18 *

5000 18 *

Impact Insulation

Class (IIC)

52



8 dB at 200 Hz

For a description of the test specimen and mounting conditions see text pages before. The results in this report apply only to the specific sample submitted for measurement. No responsibility is assumed for performance of any other specimen. Measurements of normalized impact sound pressure level (NISPL) were conducted following ASTM E492-09, “Standard Laboratory Measurement of Impact Sound Transmission through Floor-Ceiling Assemblies Using the Tapping Machine” but had a small patch of covering material instead of full surface coverage. In the graph: The solid line is the measured normalized impact sound pressure level (NISPL) for this specimen. The dashed line is the IIC contour fitted to the measured values according to ASTM E989-06. The dotted line is the background sound level measured in the receiving room during this test (may be below the displayed range). For any frequency where the measured NISPL is less than 10 dB above the dotted line, the reported values were adjusted as noted below. Bars at the bottom of the graph show positive differences; where the measured data are greater than the reference contour as defined in ASTM E989-06. Shaded cells in the table and areas in the graph are outside the IIC contour range. In the table: Values marked “c” indicate that the measured background level was between 5 dB and 10 dB below the combined receiving room level and background level. Values marked “*” indicate that the measured background level was less than 5 dB below the combined receiving room level and background level and the reported values of NISPL provide an estimate of the upper limit of normalized impact sound pressure level, according to the procedure outlined in ASTM E492-09. The reported values of NISPL have been corrected according to the procedure outlined in ASTM E492-09.

3

6 7

8

5

1

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 52


Page 90 of 101


Specimen Small patch of laminate floor on AcoustiTech Premium on 70 mm precast concrete slab on 32 mm ROXUL ComfortBoard IS placed on top of a CLT 5 ply (131 mm)



Specimen Description Covering (small patch): 8 mm click laminate flooring installed on AcousticTech Premium felt membrane. The patch covered an approximate area of 4 m2 in the middle of the floor. Topping: A 70 mm (2-3/4”) precast concrete slab was placed on Roxul® ComfortBoard IS which was placed on the CLT floor. The edge of the precast concrete slab was filled with insulation and taped. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


8 mm Click Laminate Flooring 8 * 8.6 kg/m2 3 mm AcoustiTech Premium 3 * 0.5 kg/m2 70 mm Precast Concrete Slab 70 3 202 165.8 kg/m2 32 mm ROXUL ComfortBoard IS 32 78 4.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 244 * 248.5 kg/m2 * Mass of small patch not added to total floor mass.


Page 91 of 101







f (Hz)

NISPL (dB)

50 65

63 65

80 64

100 69

125 66

160 68

200 66

250 64

315 61

400 56

500 49

630 46

800 40

1000 34

1250 27 c

1600 17 *

2000 12 *

2500 13 *

3150 15 *

4000 16 *

5000 18 *

Impact Insulation

Class (IIC)

51



8 dB at 100 Hz


8

5 7

5 3

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 51


Page 92 of 101



Specimen Small patch of laminate floor on Roberts Soft Stride on 70 mm precast concrete slab on 32 mm ROXUL ComfortBoard IS placed on top of a CLT 5 ply (131 mm)



Specimen Description Covering (small patch): 8 mm click laminate flooring was installed on Roberts® Soft Stride closed cell foam. The patch covered an approximate area of 4 m2 in the middle of the floor. Topping: A 70 mm (2-3/4”) precast concrete slab was placed on Roxul® ComfortBoard IS which was placed on the CLT floor. The edge of the precast concrete slab was filled with insulation and taped. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


8 mm Click Laminate Flooring 8 * 8.6 kg/m2 2 mm Roberts® Soft Stride Closed Cell Foam 2 * 0.1 kg/m2 70 mm Precast Concrete Slab 70 3 202 165.8 kg/m2 32 mm ROXUL ComfortBoard IS 32 78 4.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 243 * 248.1 kg/m2 * Mass of small patch not added to total floor mass.


Page 93 of 101







f (Hz)

NISPL (dB)

50 64

63 63

80 63

100 69

125 65

160 67

200 65

250 63

315 59

400 56

500 49

630 46

800 44

1000 39

1250 33

1600 23 c

2000 14 *

2500 14 *

3150 15 *

4000 17 *

5000 18 *

Impact Insulation

Class (IIC)

51



8 dB at 100 Hz


8

4 6

4 2

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 51


Page 94 of 101



Specimen Small patch of laminate floor on Roberts Soft Stride on 70 mm precast concrete slab on 32 mm ROXUL ComfortBoard IS placed on top of a CLT 5 ply (131 mm)



Specimen Description Covering (small patch): 10 mm Torlys Everest Premier Hardwood with attached cork underlay was installed on top of a 2 mm Roberts® Soft Stride closed cell foam. The patch covered an approximate area of 4 m2 in the middle of the floor. Topping: A 70 mm (2-3/4”) precast concrete slab was placed on Roxul® ComfortBoard IS which was placed on the CLT floor. The edge of the precast concrete slab was filled with insulation and taped. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


10 mm Torlys Everest Premier Hardwood 10 * 7.3 kg/m2 2 mm Roberts® Soft Stride Closed Cell Foam 2 * 0.1 kg/m2 70 mm Precast Concrete Slab 70 3 202 165.8 kg/m2 32 mm ROXUL ComfortBoard IS 32 78 4.1 kg/m2 131 mm CLT 5 ply 131 1 343 69.5 kg/m2 Total 245 * 246.8 kg/m2 * Mass of small patch not added to total floor mass.


Page 95 of 101







f (Hz)

NISPL (dB)

50 64

63 65

80 64

100 69

125 66

160 67

200 66

250 64

315 61

400 59

500 52

630 47

800 46

1000 39

1250 32

1600 24 c

2000 15 *

2500 14 *

3150 15 *

4000 17 *

5000 19 *

Impact Insulation

Class (IIC)

51



8 dB at 100 Hz


8

5 6

5 3

10

20

30

40

50

60

70

80

90

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 51


Page 96 of 101



Specimen Small patch of laminate floor on Roberts Soft Stride on 38 mm precast concrete slab on 17 mm SonusWave placed on a OSB wood raft (no sand) with glass fiber batts on top of a CLT 5 ply (131 mm)



Specimen Description Covering (small patch): 8 mm click laminate flooring was installed on Roberts® Soft Stride closed cell foam. The patch covered an approximate area of 4 m2 in the middle of the floor. Topping: A 38 mm (1-1/2”) precast concrete slab was placed on 17 mm Regupol® SonusWave™ on top of OSB sheeting. The 18 mm (23/32”) OSB sheeting was screwed down with the long side perpendicular to 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens running along the short direction (3978 mm) and spaced at 610 mm (24”) o.c. and glued to strips of 10 mm thick rubber membranes at the bottom. 65 mm (2-1/2”) glass fibre insulation batts were placed in the cavity. CLT Floor: The specimen was composed of two cross-laminated timber (CLT) 5 ply panels (131 mm thick x 1989 mm wide x 4872 mm long) with a butt joint in the middle of the floor. The combined panels filled the entire floor opening of the test frame. The two CLT panels were joined using a 120 mm wide x 12 mm thick plywood strip spanning the full joint (4.9 m). The plywood strip was nailed with common nails 75 mm (3”) long spaced 305 mm (12”) on centre along the joint with beads of PL premium adhesive between the plywood strip and the CLT panels. The CLT floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the CLT floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the CLT.


Specimen Properties

Element Actual

thickness (mm)


8 mm Click Laminate Flooring 8 * 8.6 kg/m2 2 mm Roberts® Soft Stride Closed Cell Foam 2 * 0.1 kg/m2 38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 17 mm Regupol® SonusWave™ 17 157 8.1 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 65 mm Glass Fibre Insulation Batts *65 13 0.7 kg/m2 10 mm Rubber Membrane 10 21 7.7 kg/m2 131 mm CLT 5 ply 131 1 343 69.3 kg/m2 Total 288 * 271.3 kg/m2 * Mass of small patch not added to total floor mass.


Page 97 of 101



Specimen ID: A1-008253-32SF Date of Test: April 8, 2016




f (Hz)

NISPL (dB)

50 64

63 62

80 58

100 59

125 59

160 59

200 59

250 58

315 57

400 55

500 49

630 38

800 30

1000 23

1250 13 *

1600 10 *

2000 11 *

2500 12 *

3150 13 *

4000 15 *

5000 17 *

Impact Insulation

Class (IIC)

58



5 dB at 100, 125, 160 and 200 Hz


5 5 5 5 4

3 2

0

10

20

30

40

50

60

70

80

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 58


Page 98 of 101



Specimen Small patch of laminate floor on Roberts Soft Stride on 38 mm precast concrete slab on 17 mm SonusWave placed on a OSB wood raft on top of glulam decking (89 mm)



Specimen Description Covering (small patch): 8 mm click laminate flooring was installed on Roberts® Soft Stride closed cell foam. The patch covered an approximate area of 4 m2 in the middle of the floor. Topping: A 38 mm (1-1/2”) precast concrete slab was placed on 17 mm Regupol® SonusWave™ on top of 18 mm (23/32”) OSB sheeting. The OSB sheets screwed down with the long side perpendicular to the 38 mm x 64 mm (2x3) wood battens, with the narrow side down, using 50 mm (2”) long #10 wood screws spaced 150 mm (6”) o.c. along the edges and 200 mm (8”) o.c in the field. Wood battens spaced at 610 mm (24”) o.c. and glued to 10 mm rubber membrane were installed at the bottom. Fill: A 6 mil polyethylene sheet was put down on the CLT and the wood batten and resilient layer were installed directly on top (floating). 50 mm (2”) of dry silica sand (#71) filled the cavity of the batten leaving a 12 mm (1/2”) air gap between the OSB and the sand. Glulam Decking: The specimen was composed of 13 glued-laminated timber (glulam) decking panels nominally 384 mm wide x 89 mm thick x 3890 mm long (15” x 3-1/2” x 153”). The combined panels filled the entire floor opening of the test frame. The glulam decking panels were joined using 90 mm (3-1/2”) long common nails spaced 300 mm (12”) on centre along the joints. The glulam decking floor was resting on the lip of the test frame and was not fastened to the test frame. The air gaps between the edges of the glulam decking floor and the test frame were filled with glass fiber insulation and covered with cloth tape. Duct putty was installed around the lower perimeter of the test frame and the glulam.


Specimen Properties

Element Actual

thickness (mm)


8 mm Click Laminate Flooring 8 * 8.6 kg/m2 2 mm Roberts® Soft Stride Closed Cell Foam 2 * 0.1 kg/m2 38 mm Precast Concrete Slab 38 1 905 98.6 kg/m2 17 mm Regupol® SonusWave™ 17 157 8.1 kg/m2 18 mm OSB Tongue and Groove Sheeting 18 202 10.5 kg/m2 38 mm x 64 mm Wood Battens 64 47 0.3 kg/m 10 mm Rubber Membrane 10 21 7.7 kg/m2 50 mm Silica Sand (#71) *50 1 385 77.2 kg/m2 6 mil Polyethylene Sheeting 0 2 0.1 kg/m2 89 mm Glulam Decking 89 971 50.2 kg/m2 Total 246 * 251.5 kg/m2 * Mass of small patch not added to total floor mass.


Page 99 of 101



Specimen ID: A1-008253-35SF Date of Test: April 14, 2016




f (Hz)

NISPL (dB)

50 61

63 59

80 59

100 55

125 57

160 55

200 56

250 53

315 53

400 49

500 41

630 35

800 30

1000 24

1250 13 *

1600 10 *

2000 11 *

2500 12 *

3150 14 *

4000 15 *

5000 17 *

Impact Insulation

Class (IIC)

62



7 dB at 125 Hz


5 7

5 6

3 3

0

10

20

30

40

50

60

70

80

63 125 250 500 1000 2000 4000

Nor

mal

ized

Impa

ct S

ound

Pre

ssur

e Le

vel,

NIS

PL,

in d

B

Frequency, f, in Hz

IIC 62


Page 100 of 101

APPENDIX: ASTM E90-09 – Airborne Sound Transmission – Floor Facility

Facility and Equipment: The NRC Construction Floor Sound Transmission Facility comprises two reverberation rooms (referred to in this report as the upper and lower rooms) with a moveable test frame between the rooms. Both rooms have an approximate volume of 175 m3. In each room, a calibrated Bruel & Kjaer condenser microphone (type 4166 or 4165) with preamp is moved under computer control to nine positions, and measurements are made in both rooms using an 8-channel National Instrument NI-4472 system installed in a computer. Each room has four bi-amped loudspeakers driven by separate amplifiers and noise sources. To increase randomness of the sound field, there are fixed diffusing panels in each room.

Test Procedure: Airborne sound transmission measurements were conducted in accordance with the requirements of ASTM E90-09, “Standard Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions”. Airborne sound transmission loss tests were performed in the forward (receiving room is the lower room) and reverse (receiving room is the upper room) directions. Results presented in this report are the average of the tests in these two directions. In each case, sound transmission loss values were calculated from the average sound pressure levels of both the source and receiving rooms and the average reverberation times of the receiving room. One-third octave band sound pressure levels were measured for 32 seconds at nine microphone positions in each room and then averaged to get the average sound pressure level in each room. Five sound decays were averaged to get the reverberation time at each microphone position in the receiving room; these reverberation times were averaged to get the average reverberation times for each room. Information on the flanking limit of the facility and reference specimen test results are available on request.

Significance of Test Results: ASTM E90-09 requires measurements in 1/3-octave bands in the frequency range 100 Hz to 5000 Hz. The standards recommend making measurements and reporting results over a larger frequency range, and this report presents such results, which may be useful for expert evaluation of the specimen performance. The precision of results outside the 100 to 5000 Hz range has not been established, but is expected to depend on laboratory-specific factors.

Sound Transmission Class (STC): The Sound Transmission Class (STC) was determined in accordance with ASTM E413-10, “Classification for Rating Sound Insulation”. It is a single number rating scheme intended to rate the acoustical performance of a partition element separating offices or dwellings. The higher the value of the rating, the better the performance. The rating is intended to correlate with subjective impressions of the sound insulation provided against the sounds of speech, radio, television, music, and similar sources of noise characteristic of offices and dwellings. The STC is of limited use in applications involving noise spectra that differ markedly from those referred to above (for example, heavy machinery, power transformers, aircraft noise, motor vehicle noise). Generally, in such applications it is preferable to consider the source levels and insulation requirements for each frequency band.

In Situ Performance: Ratings obtained by this standard method tend to represent an upper limit to what might be measured in a field test, due to structure-borne transmission (“flanking”) and construction deficiencies in actual buildings.


Page 101 of 101

APPENDIX: ASTM E492-09 – Light Impact Sound Transmission – Floor Facility

Facility and Equipment: The NRC Construction Floor Sound Transmission Facility comprises two reverberation rooms (referred to in this report as the upper and lower rooms) with a moveable test frame between the two rooms. Both rooms have an approximate volume of 175 m3. For impact sound transmission, only the lower room is used. A calibrated Bruel & Kjaer condenser microphone (type 4166 or 4165) with preamp is moved under computer control to nine positions, and measurements are made using an 8-channel National Instrument NI 4472 system installed in a computer. The room has 4 bi-amped loudspeakers driven by separate amplifiers and incoherent noise sources. To increase randomness of the sound field, there are fixed diffusing panels in the room.

Test Procedure: Impact sound transmission measurements were conducted in accordance with ASTM E492-09, “Standard Test Method for Laboratory Measurement of Impact Sound Transmission through Floor-Ceiling Assemblies Using the Tapping Machine”. This method uses a standard tapping machine placed at four prescribed positions on the floor. One-third octave band sound pressure levels were measured for 32 seconds at each microphone position in the receiving room and then averaged to get the average sound pressure level in the room. Five sound decays were averaged to get the reverberation time at each of the nine microphone positions in the receiving room; these nine reverberation times were averaged to get the spatial average reverberation times for the room. The spatial average sound pressure levels and reverberation times of the receiving room were used to calculate the Normalized Impact Sound Pressure Levels.

Significance of Test Results: ASTM E492-09 requires measurements in 1/3-octave bands in the frequency range 100 Hz to 3150 Hz. The standard recommends making measurements and reporting results over a larger frequency range, and this report presents such results, which may be useful for expert evaluation of the specimen performance. The precision of results outside the standard ranges has not been established, and is expected to depend on laboratory-specific factors such as room size and specimen dimensions.

Impact Insulation Class (IIC): The Impact Insulation Class (IIC) was determined in accordance with ASTM E989-06, “Standard Classification for Determination of Impact Insulation Class (IIC)”. It is a single number rating scheme intended to rate the effectiveness of floor-ceiling assemblies at preventing the transmission of impact sound from the standard tapping machine. A higher IIC value indicates a better floor performance.

In Situ Performance: Ratings obtained by this standard method tend to represent an upper limit to what might be measured in a field test, due to structure-borne transmission (“flanking”) and construction deficiencies in actual buildings.

Documents

Acoustic Testing of CLT and Glulam Floor Assemblies · Graph3: Airborne TL Graph 4 : LightImpact NISPL 10 20 30 40 50 60 70 80 90 100 63 125 250 500 1000 2000 4000 Normalized Impact