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Rockfon Limited
Pencoed, Bridgend
Mid Glamorgan, CF35 6NY
Tel. 01656 864696
Fax 01656 864549
www.rockfon.co.uk
Subject to alterations in range and product technology without prior notice. Rockfon Ltd. accept no responsibility for printing errors.
6.1.12 RockLink 24 Monolith 02.03
Specification
The ceiling suspension system
shall be RockLink 24 Monolith,
installed to form a module of
600 x 600 mm.
The main runners shall be positi-
oned at 1800 mm centres and
suspended from the structural
soffit using __________ hangers
at 1200 mm centres. 1800 mm
long cross tees shall be positi-
oned at 600 mm centres.
The perimeter finish shall be
perimeter finish option
__________.
The ceiling shall be installed in
accordance with Rockfon instal-
lation sheet 6.1.12.
Complete options as required.
NBS K40 specification texts are
available either from NBS Plus
on 0191 222 8533 or direct
from Rockfon on 01656 864696
or www.rockfon.co.uk “Spec
Generator”.
Service integration
Angle spline
A variety of service installations
and lights can be easily inte-
grated into this system and
Rockfon ceiling tiles.
When installing services, there
may be a need for additional
hangers. This will depend on
the weight and position of the
services. The following guide-
lines should be observed.
The ceiling tile alone should not
support service installations.
Lightweight Installation loads
should always be adequately
spread on the back of the tile
using thin metal yokes and the
insertion of angle splines. See
illustrations on this page and
figure D4. Services exceeding
500 g in weight, eg. recessed
modular luminaires should
always be independently
supported, or additional
hangers should be positioned
at the centre of the 1800 mm
cross tees as illustrated below.
Light installation details
See section 6.2 in the Rockfon
binder for guideline concerning
lighting installation. When inte-
grating recessed modular lumi-
naries, it is important to ensure
that the 1800 mm cross tees
supporting the luminaire are
fitted with additional hangers.
Alternatively, the luminaire
should be independently sup-
ported. These luminaires should
have a nominal face dimension
of 598 mm - 599 mm and a
flange width which exceeds 24
mm. These are available from
leading lighting manufacturers.
Service
Rockfon has many years of
experience in ceiling design and
acoustic regulation. We are
happy to place our knowledge
at you disposal – by documen-
tation and personal service,
right from the planning stage to
the finished building.
Call our Customer Service and
Technical Service departments
for advice on: 01656 864696.
Smoke detector integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of smoke detectors.
Sprinkler integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of sprinklers.
Additional hangerAdditional hanger
Metal yoke
Ventilation integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of various types of
ventilation and air conditioning
items.
Speaker integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of speakers.
Installation of recessed modular luminaires.
Spotlight integration etc.
Spotlight integration seen from
above, up to 500 g.
Installation guide RockLink 24 Monolith 6.1.12Installation system 02.03 / GB
CI / SFB 35
Perimeter Finishing
Junction between ceiling and
wall or other vertical surface
The perimeter trim should be
fastened to vertical surfaces at
the required level using appro-
priate fixings at maximum 450
mm centres. The perimeter trim
should be positioned 10 mm
below the grid system. Ensure
that butt joints between ad-
joining lengths of trim are neat
and that the trim is free from
kinks and remains true and level.
For the best aesthetics, use as
long a length of trim as possible.
The minimum recommended cut
length is 300 mm.
Junction between ceiling and
curved vertical surface
The use of a preformed curved
perimeter trim is the most
appropriate method. This should
be installed as described above.
Rockfon can provide details of
curved perimeter trims on
request.
Corners
Perimeter trims should be neatly
mitred at all corner joints. Over-
lap mitres are acceptable on
metal trims on internal corner
joints unless specified otherwise.
Main grid
Unless specified otherwise, the
ceiling should be set out symme-
trically and where possible, peri-
meter tiles should be greater
than 200 mm in width.
The hangers should be fastened
with appropriate top fixings and
to the main runners at 1200 mm
centres. Main runners should be
positioned at 1800 mm centres
and levelled at the appropriate
ceiling height. Main runner
joints should be staggered and
there should be a hanger positi-
oned within 150 mm of the fire
expansion joint and within 450
mm of the end of the main run-
ner where it terminates at a
perimeter. Additional hangers
may be necessary to support the
weight of ceiling services.
When using direct hangers, a
fixing nail should be used to lock
the hanger on to the bulb of the
main runner.
600 x 600 mm module
Fit 1800 mm cross tees between
the main runners at 600 mm
centres.
Tile installation
Install tiles as shown in figure
D1. Refer also to the installation
sequence section.The wearing of
gloves is recommended in order
to avoid soiling the tiles.
When using cut tiles at the peri-
meter, wall clips should be posi-
tioned on the perimeter trim as
shown in fig. D2. The tile is
pushed towards the spring ,
then lowered down on to the
grid . The clip will push the
tile into position and form a tight
joint. Where there is enough
space in the ceiling void, the
perimeter tiles can be installed
with wall clips by gaining access
through the penultimate row of
tiles. The penultimate row of
tiles should then be installed last
of all.
Rockfon tiles are easy to cut by
using a sharp knife. Edge paint
should be applied to any visible
cut edges.
Direct fixing
Fasten the main runners to the
structure by means of direct
hangers at 1200 mm centres,
see figure D3. As a minimum,
every second direct hanger
should have a fixing nail used to
lock the hanger onto the bulb of
the main runner. Ensure that the
ceiling is levelled at the appro-
priate ceiling height as described
above.
Accessories
Hangers
Wire and adjustable rod hangers
should be fastened through the
holes in the stalk of the main
runners. Wire hangers should be
passed through the hole and
wrapped at least three times
around itself. Adjustable rod
hangers should be orientated
and connected to main runners
so that the lower sections of the
hangers run in the same
direction.
Top Fixings
Top fixings are available from
many specialist suppliers, it is
important to be sure that the
top fixings used to support the
ceiling are appropriate for the
specific soffit and that they pro-
vide adequate pull out strength
when installed.
Angle splines
Angle splines should be inserted
in the tile edge detail C when the
tiles are loaded from the rear side,
e.g. with light fittings and loud-
speakers or when the ceiling is
being used for fire protecting / fire
resisting purposes. See figure D4.
Fire Resisting / Protecting
Ceilings
This system can be used in
conjunction with Rockfon Sonar
tiles to create a 30 minutes fire
resisting / protecting ceiling
construction in accordance with
BS 476.
Corrosion Resistance
This system provides excellent
longevity, however, it is also
available in an enhanced corro-
sion resistant format for use in
harsh environment applications
eg. swimming pools.
Fig. D1
1
2 3
Fig. D2
2
1
Fig. D3
6.1.12 RockLink 24 Monolith 02.03
Fig. D4
Main runnerHangerAdditional hanger
6.1.12 RockLink 24 Monolith 02.03
Environment
Rockfon products are primarily
based on the natural materials –
stone, chalk and clay. They are
produced in an environmentally
friendly process and can be
recycled.
Rockfon ceiling tiles are manu-
factured from stone wool fibres
which fulfil the EU directive
97/69 note Q.
Rockwool A/S, the supplier of
the stone wool used to manu-
facture Rockfon products, is
environmentally certified accor-
ding to ISO 14001 and registe-
red with the EU´s voluntary
EMAS arrangement regarding
environmental management and
audits.
Rockfon is a member of
COMPASS - The Construction
Manufacturers Partnering Asso-
ciation. COMPASS is committed
to supply chain integration and
construction reform.
Perimeter finish options
See below some options for
perimeter finishing.
Perimeter trim should be instal-
led 10 mm lower than the grid
system. Wall clips should be
positioned along the cut edges
of perimeter tiles. For options
1 - 4, it is important that the
tiles are cut 15 mm less than the
distance from the vertical face of
the perimeter trim to the grid.
When using direct hangers, the
cut and shortened cross tees
should be installed successively
in order to ease installation.
2. Shadow batten and angle trim
3. Shadow moulding 4. Timber (or similar) trim
5A. Finishing with MF plasterboard borderEdge detail D1
Main runnerCross teeTile jointHanger
1
600 600
1800 mm
1200 mm
1
2
Grid layout and hanger locations
RockLink 24 Monolith Tile installation and system components
Tile installation sequence
Plan and cross section of Rockfon tile with edge detail D
System components and consumption guide
Main runners positioned at 1800 mm centres.Suspension hangers positioned at 1200 mm centres.
Quantity/m2 1 3 4 5 6 82 7
Main runnerL:3600 mm
38
24
Cross teeL:1800 mm
38
24
Shadow mouldingL:3050 mm
33
30
Perimeterangle trimL:3050 mm
32
19
Suspensionhanger
Direct hanger
11
11
Wall clipAngle splineL: 593 mm
Reference 850-30-001
0.56 lm 1.68 lm *) *) 0.47 pcs 0.47 pcs 1) 1)
856-30-001 1466-001 1438-001 69-60-00 8821.5(50)21.8(80)21.1(100)
Module size (mm)
600600
18 600 x 600 59
Module size (mm)Tile thickness (mm) D (mm)Minimum installation depth
4.7600 x 600
Max. evenlydistributedload (kg/m2)
Module size(mm)
System Loading Capacity
Description
RockLink 24 Monolith is a
concealed grid suitable for the
installation of Rockfon tiles with
edge detail D in module size 600
mm x 600 mm. It comprises
Rockfon Sonar tiles with
edge detail D in module size
600 mm x 600 mm are suit-
able for installation using this
system.
RockLink 24 Monolith is
characterised by a quick
installation compared to
existing concealed grid
systems. This is due to the
lower number of components
and fixings.
RockLink 24 Monolith also
provides easy access to servi-
ces due to demountability.
When creating a ceiling using
RockLink 24 Monolith, the
main runners should be posi-
tioned at 1800 mm centres.
1800 mm long cross tees are
positioned at 600 mm cen-
tres. Hangers are positioned
at max. 1200 mm centres.
main runners, cross tees,
hangers, perimeter trims and a
variety of accessories. RockLink
24 Monolith can be either
suspended or directly fastened
to the soffit using a variety of
hangers. Tiles installed in this
system are fully demountable.
See installation and demounting
instructions for full details.
D
1) Angle splines should be inserted in the 'C' edges if the tiles are loaded with a service or if the ceiling is
to be used as a fire protecting/fire resisting ceiling. Consumption; 3.71 pcs if fire protecting ceiling.
*) Consumption according to room size.
D = Minimum installation depth
for easy tile installation and
demountability.
Depth when using direct
hangers is minimum 59 mm.
Gypsum /MF plasterboardborder
1800mm
max.1200 mm *)
1800mm
max.1200 mm *)
max. 1200 mmto wall *)
1800 mm
4
5
max 450 mm
1200 mm
5
2
6
31
5
8
7
*) When using perimeter angle trim this dimension can be increased to 1780 mm
cross tee positions (use extra trim fixings if necessary), or (2) the ends of the cutcross tees are mechanically fastened to the wall using appropriate fixings.
For further details on system
loading capacity, contact
Rockfon.
1. Angle trim
6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03
1800 mm x 600 mm bay re-
mains fully demountable after
finished installation. To demount
the middle tile, press up carefully
at the centre of the tile until it
becomes loose and can be re-
moved. The other two tiles can
then be removed by pulling
them free from the main runners
and lifting them out.
C
MF Channel MF Channel
9,5 mm plasterboard
D2
MF Channel
9,5 mm plasterboard
MF Channel
5C. Finishing with MF plasterboard border Edge detail D2
5B. Finishing with MF plasterboard borderEdge detail C
D1
MF Channel MF Channel
9,5 mm plasterboard
21
Step 1
1 12 3C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C
1800 mm
Step 2
1800 mm
Step 3
1800 mm
Main runnerCross teeTile joint
B
B
A A
C
D1 D2
C
C C
Cross section B-B
D1 D2
Cross section A-A
Rockfon tiles with edge detail D
have three different edge details
on the same tile, namely – D1,
D2, and C.
After the grid has been installed,
tile installation is commenced by
positioning the first tile (Tile 1)
between two cross tees so that
one side of the tile with edge
detail C is locked on the main
runner.
The same principle is used for
the installation of the next tile
(Tile 2) in the opposite end of
each 1800 mm x 600 mm “bay”.
The remaining tile (Tile 3) is
positioned in the middle be-
tween the two cross tees. This
tile (Tile 3) is fully demountable.
Demountability
The middle tile (Tile 3) in every
RockLink 24 Monolith offers
the possibility for perimeter
finishing with a gypsum / MF
plasterboard border.
Finishing options withMF plasterboard border
Rockfon RockLink 24 Monolith
may be finished with Gypsum /
MF plasterboard borders and still
be fully demountable.
Depending on the distance from
main runners to the border,
different supplementary tiles
should be used, see figs. 7
and 8. D1
1800 mm cross tee
Main runner
Self drilling screw9,5 mm plasterboard
6A. Finishing with plasterboard border Edge Detail D1 *)
Main runner
Cross tee
Self drilling screw
C
9,5 mm plasterboard
6B. Finishing with plasterboard border Edge Detail C
9,5 mm plasterboard
1800 mm cross tee
Main runnerMain runner
Self drilling screw
D2
6C. Finishing with plasterboard border Edge Detail D2 *)
Finishing options with MF plasterboard borders
6.1.12 RockLink 24 Monolith 02.03
Fig. 7
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Fig. 8
Dimensional plans of the four tile types
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
600 mm 612 mm 576 mm
600 mm
Sonar D
600 mm
Sonar D Type 1 Type 3
600 mm 600 mm 588 mm
600 mm
Sonar D
600 mm
Sonar D
600 mm
Sonar D Sonar D Type 2
D1
C C
D2
Sonar Dstandardtile
600 mm
Plasterboard border
Main runnerCross tee 1800Cross tee 1200Cross tee 600
D1
D2
D1
C D2
D2
SonarType 1tile
612 mm
D1
C C
D2
SonarType 2tile
588 mm
D1
C C
D2
SonarType 3tile
576 mm
*) When finishing with these options, dependingon the width of the border, additional inter-mediate cross tees (and suspension hangers onthe cross tees) may be necessary to supportthe plasterboard.
Rockfon RockLink 24 Monolith
can be finished with MF
plasterboard borders and
remain fully demountable.
However, it is important that
the MF plasterboard border is
set out and constructed so as
to allow full size tiles to be
used. When setting out, always
use as many “full” 1800 mm x
600 mm “bays” as possible.
In addition, supplementary
Type 1, Type 2 and Type 3 tiles
together with 1200 mm and
600 mm cross tees may be
required to complete the
ceiling.
The grid layout at the border
will vary depending on the
distance between the main
runners and the border. If there
is room for 3 tiles, use standard
Sonar tiles.
If there is room for 1 tile, sup-
plement the standard Sonar
tiles with Type 1 and Type 3
tiles and use 600 mm cross
tees at the border as shown in
figure 7.
If there is room for 2 tiles,
supplement the standard Sonar
tiles with Type 2 tiles and use
1200 mm cross tees at the
border as shown in figure 8.
Perimeter finish options
See below some options for
perimeter finishing.
Perimeter trim should be instal-
led 10 mm lower than the grid
system. Wall clips should be
positioned along the cut edges
of perimeter tiles. For options
1 - 4, it is important that the
tiles are cut 15 mm less than the
distance from the vertical face of
the perimeter trim to the grid.
When using direct hangers, the
cut and shortened cross tees
should be installed successively
in order to ease installation.
2. Shadow batten and angle trim
3. Shadow moulding 4. Timber (or similar) trim
5A. Finishing with MF plasterboard borderEdge detail D1
Main runnerCross teeTile jointHanger
1
600 600
1800 mm
1200 mm
1
2
Grid layout and hanger locations
RockLink 24 Monolith Tile installation and system components
Tile installation sequence
Plan and cross section of Rockfon tile with edge detail D
System components and consumption guide
Main runners positioned at 1800 mm centres.Suspension hangers positioned at 1200 mm centres.
Quantity/m2 1 3 4 5 6 82 7
Main runnerL:3600 mm
38
24
Cross teeL:1800 mm
38
24
Shadow mouldingL:3050 mm
33
30
Perimeterangle trimL:3050 mm
32
19
Suspensionhanger
Direct hanger
11
11
Wall clipAngle splineL: 593 mm
Reference 850-30-001
0.56 lm 1.68 lm *) *) 0.47 pcs 0.47 pcs 1) 1)
856-30-001 1466-001 1438-001 69-60-00 8821.5(50)21.8(80)21.1(100)
Module size (mm)
600600
18 600 x 600 59
Module size (mm)Tile thickness (mm) D (mm)Minimum installation depth
4.7600 x 600
Max. evenlydistributedload (kg/m2)
Module size(mm)
System Loading Capacity
Description
RockLink 24 Monolith is a
concealed grid suitable for the
installation of Rockfon tiles with
edge detail D in module size 600
mm x 600 mm. It comprises
Rockfon Sonar tiles with
edge detail D in module size
600 mm x 600 mm are suit-
able for installation using this
system.
RockLink 24 Monolith is
characterised by a quick
installation compared to
existing concealed grid
systems. This is due to the
lower number of components
and fixings.
RockLink 24 Monolith also
provides easy access to servi-
ces due to demountability.
When creating a ceiling using
RockLink 24 Monolith, the
main runners should be posi-
tioned at 1800 mm centres.
1800 mm long cross tees are
positioned at 600 mm cen-
tres. Hangers are positioned
at max. 1200 mm centres.
main runners, cross tees,
hangers, perimeter trims and a
variety of accessories. RockLink
24 Monolith can be either
suspended or directly fastened
to the soffit using a variety of
hangers. Tiles installed in this
system are fully demountable.
See installation and demounting
instructions for full details.
D
1) Angle splines should be inserted in the 'C' edges if the tiles are loaded with a service or if the ceiling is
to be used as a fire protecting/fire resisting ceiling. Consumption; 3.71 pcs if fire protecting ceiling.
*) Consumption according to room size.
D = Minimum installation depth
for easy tile installation and
demountability.
Depth when using direct
hangers is minimum 59 mm.
Gypsum /MF plasterboardborder
1800mm
max.1200 mm *)
1800mm
max.1200 mm *)
max. 1200 mmto wall *)
1800 mm
4
5
max 450 mm
1200 mm
5
2
6
31
5
8
7
*) When using perimeter angle trim this dimension can be increased to 1780 mm
cross tee positions (use extra trim fixings if necessary), or (2) the ends of the cutcross tees are mechanically fastened to the wall using appropriate fixings.
For further details on system
loading capacity, contact
Rockfon.
1. Angle trim
6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03
1800 mm x 600 mm bay re-
mains fully demountable after
finished installation. To demount
the middle tile, press up carefully
at the centre of the tile until it
becomes loose and can be re-
moved. The other two tiles can
then be removed by pulling
them free from the main runners
and lifting them out.
C
MF Channel MF Channel
9,5 mm plasterboard
D2
MF Channel
9,5 mm plasterboard
MF Channel
5C. Finishing with MF plasterboard border Edge detail D2
5B. Finishing with MF plasterboard borderEdge detail C
D1
MF Channel MF Channel
9,5 mm plasterboard
21
Step 1
1 12 3C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C
1800 mm
Step 2
1800 mm
Step 3
1800 mm
Main runnerCross teeTile joint
B
B
A A
C
D1 D2
C
C C
Cross section B-B
D1 D2
Cross section A-A
Rockfon tiles with edge detail D
have three different edge details
on the same tile, namely – D1,
D2, and C.
After the grid has been installed,
tile installation is commenced by
positioning the first tile (Tile 1)
between two cross tees so that
one side of the tile with edge
detail C is locked on the main
runner.
The same principle is used for
the installation of the next tile
(Tile 2) in the opposite end of
each 1800 mm x 600 mm “bay”.
The remaining tile (Tile 3) is
positioned in the middle be-
tween the two cross tees. This
tile (Tile 3) is fully demountable.
Demountability
The middle tile (Tile 3) in every
RockLink 24 Monolith offers
the possibility for perimeter
finishing with a gypsum / MF
plasterboard border.
Finishing options withMF plasterboard border
Rockfon RockLink 24 Monolith
may be finished with Gypsum /
MF plasterboard borders and still
be fully demountable.
Depending on the distance from
main runners to the border,
different supplementary tiles
should be used, see figs. 7
and 8. D1
1800 mm cross tee
Main runner
Self drilling screw9,5 mm plasterboard
6A. Finishing with plasterboard border Edge Detail D1 *)
Main runner
Cross tee
Self drilling screw
C
9,5 mm plasterboard
6B. Finishing with plasterboard border Edge Detail C
9,5 mm plasterboard
1800 mm cross tee
Main runnerMain runner
Self drilling screw
D2
6C. Finishing with plasterboard border Edge Detail D2 *)
Finishing options with MF plasterboard borders
6.1.12 RockLink 24 Monolith 02.03
Fig. 7
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Fig. 8
Dimensional plans of the four tile types
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
600 mm 612 mm 576 mm
600 mm
Sonar D
600 mm
Sonar D Type 1 Type 3
600 mm 600 mm 588 mm
600 mm
Sonar D
600 mm
Sonar D
600 mm
Sonar D Sonar D Type 2
D1
C C
D2
Sonar Dstandardtile
600 mm
Plasterboard border
Main runnerCross tee 1800Cross tee 1200Cross tee 600
D1
D2
D1
C D2
D2
SonarType 1tile
612 mm
D1
C C
D2
SonarType 2tile
588 mm
D1
C C
D2
SonarType 3tile
576 mm
*) When finishing with these options, dependingon the width of the border, additional inter-mediate cross tees (and suspension hangers onthe cross tees) may be necessary to supportthe plasterboard.
Rockfon RockLink 24 Monolith
can be finished with MF
plasterboard borders and
remain fully demountable.
However, it is important that
the MF plasterboard border is
set out and constructed so as
to allow full size tiles to be
used. When setting out, always
use as many “full” 1800 mm x
600 mm “bays” as possible.
In addition, supplementary
Type 1, Type 2 and Type 3 tiles
together with 1200 mm and
600 mm cross tees may be
required to complete the
ceiling.
The grid layout at the border
will vary depending on the
distance between the main
runners and the border. If there
is room for 3 tiles, use standard
Sonar tiles.
If there is room for 1 tile, sup-
plement the standard Sonar
tiles with Type 1 and Type 3
tiles and use 600 mm cross
tees at the border as shown in
figure 7.
If there is room for 2 tiles,
supplement the standard Sonar
tiles with Type 2 tiles and use
1200 mm cross tees at the
border as shown in figure 8.
Perimeter finish options
See below some options for
perimeter finishing.
Perimeter trim should be instal-
led 10 mm lower than the grid
system. Wall clips should be
positioned along the cut edges
of perimeter tiles. For options
1 - 4, it is important that the
tiles are cut 15 mm less than the
distance from the vertical face of
the perimeter trim to the grid.
When using direct hangers, the
cut and shortened cross tees
should be installed successively
in order to ease installation.
2. Shadow batten and angle trim
3. Shadow moulding 4. Timber (or similar) trim
5A. Finishing with MF plasterboard borderEdge detail D1
Main runnerCross teeTile jointHanger
1
600 600
1800 mm
1200 mm
1
2
Grid layout and hanger locations
RockLink 24 Monolith Tile installation and system components
Tile installation sequence
Plan and cross section of Rockfon tile with edge detail D
System components and consumption guide
Main runners positioned at 1800 mm centres.Suspension hangers positioned at 1200 mm centres.
Quantity/m2 1 3 4 5 6 82 7
Main runnerL:3600 mm
38
24
Cross teeL:1800 mm
38
24
Shadow mouldingL:3050 mm
33
30
Perimeterangle trimL:3050 mm
32
19
Suspensionhanger
Direct hanger
11
11
Wall clipAngle splineL: 593 mm
Reference 850-30-001
0.56 lm 1.68 lm *) *) 0.47 pcs 0.47 pcs 1) 1)
856-30-001 1466-001 1438-001 69-60-00 8821.5(50)21.8(80)21.1(100)
Module size (mm)
600600
18 600 x 600 59
Module size (mm)Tile thickness (mm) D (mm)Minimum installation depth
4.7600 x 600
Max. evenlydistributedload (kg/m2)
Module size(mm)
System Loading Capacity
Description
RockLink 24 Monolith is a
concealed grid suitable for the
installation of Rockfon tiles with
edge detail D in module size 600
mm x 600 mm. It comprises
Rockfon Sonar tiles with
edge detail D in module size
600 mm x 600 mm are suit-
able for installation using this
system.
RockLink 24 Monolith is
characterised by a quick
installation compared to
existing concealed grid
systems. This is due to the
lower number of components
and fixings.
RockLink 24 Monolith also
provides easy access to servi-
ces due to demountability.
When creating a ceiling using
RockLink 24 Monolith, the
main runners should be posi-
tioned at 1800 mm centres.
1800 mm long cross tees are
positioned at 600 mm cen-
tres. Hangers are positioned
at max. 1200 mm centres.
main runners, cross tees,
hangers, perimeter trims and a
variety of accessories. RockLink
24 Monolith can be either
suspended or directly fastened
to the soffit using a variety of
hangers. Tiles installed in this
system are fully demountable.
See installation and demounting
instructions for full details.
D
1) Angle splines should be inserted in the 'C' edges if the tiles are loaded with a service or if the ceiling is
to be used as a fire protecting/fire resisting ceiling. Consumption; 3.71 pcs if fire protecting ceiling.
*) Consumption according to room size.
D = Minimum installation depth
for easy tile installation and
demountability.
Depth when using direct
hangers is minimum 59 mm.
Gypsum /MF plasterboardborder
1800mm
max.1200 mm *)
1800mm
max.1200 mm *)
max. 1200 mmto wall *)
1800 mm
4
5
max 450 mm
1200 mm
5
2
6
31
5
8
7
*) When using perimeter angle trim this dimension can be increased to 1780 mm
cross tee positions (use extra trim fixings if necessary), or (2) the ends of the cutcross tees are mechanically fastened to the wall using appropriate fixings.
For further details on system
loading capacity, contact
Rockfon.
1. Angle trim
6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03
1800 mm x 600 mm bay re-
mains fully demountable after
finished installation. To demount
the middle tile, press up carefully
at the centre of the tile until it
becomes loose and can be re-
moved. The other two tiles can
then be removed by pulling
them free from the main runners
and lifting them out.
C
MF Channel MF Channel
9,5 mm plasterboard
D2
MF Channel
9,5 mm plasterboard
MF Channel
5C. Finishing with MF plasterboard border Edge detail D2
5B. Finishing with MF plasterboard borderEdge detail C
D1
MF Channel MF Channel
9,5 mm plasterboard
21
Step 1
1 12 3C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C
1800 mm
Step 2
1800 mm
Step 3
1800 mm
Main runnerCross teeTile joint
B
B
A A
C
D1 D2
C
C C
Cross section B-B
D1 D2
Cross section A-A
Rockfon tiles with edge detail D
have three different edge details
on the same tile, namely – D1,
D2, and C.
After the grid has been installed,
tile installation is commenced by
positioning the first tile (Tile 1)
between two cross tees so that
one side of the tile with edge
detail C is locked on the main
runner.
The same principle is used for
the installation of the next tile
(Tile 2) in the opposite end of
each 1800 mm x 600 mm “bay”.
The remaining tile (Tile 3) is
positioned in the middle be-
tween the two cross tees. This
tile (Tile 3) is fully demountable.
Demountability
The middle tile (Tile 3) in every
RockLink 24 Monolith offers
the possibility for perimeter
finishing with a gypsum / MF
plasterboard border.
Finishing options withMF plasterboard border
Rockfon RockLink 24 Monolith
may be finished with Gypsum /
MF plasterboard borders and still
be fully demountable.
Depending on the distance from
main runners to the border,
different supplementary tiles
should be used, see figs. 7
and 8. D1
1800 mm cross tee
Main runner
Self drilling screw9,5 mm plasterboard
6A. Finishing with plasterboard border Edge Detail D1 *)
Main runner
Cross tee
Self drilling screw
C
9,5 mm plasterboard
6B. Finishing with plasterboard border Edge Detail C
9,5 mm plasterboard
1800 mm cross tee
Main runnerMain runner
Self drilling screw
D2
6C. Finishing with plasterboard border Edge Detail D2 *)
Finishing options with MF plasterboard borders
6.1.12 RockLink 24 Monolith 02.03
Fig. 7
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Fig. 8
Dimensional plans of the four tile types
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
600 mm 612 mm 576 mm
600 mm
Sonar D
600 mm
Sonar D Type 1 Type 3
600 mm 600 mm 588 mm
600 mm
Sonar D
600 mm
Sonar D
600 mm
Sonar D Sonar D Type 2
D1
C C
D2
Sonar Dstandardtile
600 mm
Plasterboard border
Main runnerCross tee 1800Cross tee 1200Cross tee 600
D1
D2
D1
C D2
D2
SonarType 1tile
612 mm
D1
C C
D2
SonarType 2tile
588 mm
D1
C C
D2
SonarType 3tile
576 mm
*) When finishing with these options, dependingon the width of the border, additional inter-mediate cross tees (and suspension hangers onthe cross tees) may be necessary to supportthe plasterboard.
Rockfon RockLink 24 Monolith
can be finished with MF
plasterboard borders and
remain fully demountable.
However, it is important that
the MF plasterboard border is
set out and constructed so as
to allow full size tiles to be
used. When setting out, always
use as many “full” 1800 mm x
600 mm “bays” as possible.
In addition, supplementary
Type 1, Type 2 and Type 3 tiles
together with 1200 mm and
600 mm cross tees may be
required to complete the
ceiling.
The grid layout at the border
will vary depending on the
distance between the main
runners and the border. If there
is room for 3 tiles, use standard
Sonar tiles.
If there is room for 1 tile, sup-
plement the standard Sonar
tiles with Type 1 and Type 3
tiles and use 600 mm cross
tees at the border as shown in
figure 7.
If there is room for 2 tiles,
supplement the standard Sonar
tiles with Type 2 tiles and use
1200 mm cross tees at the
border as shown in figure 8.
Perimeter finish options
See below some options for
perimeter finishing.
Perimeter trim should be instal-
led 10 mm lower than the grid
system. Wall clips should be
positioned along the cut edges
of perimeter tiles. For options
1 - 4, it is important that the
tiles are cut 15 mm less than the
distance from the vertical face of
the perimeter trim to the grid.
When using direct hangers, the
cut and shortened cross tees
should be installed successively
in order to ease installation.
2. Shadow batten and angle trim
3. Shadow moulding 4. Timber (or similar) trim
5A. Finishing with MF plasterboard borderEdge detail D1
Main runnerCross teeTile jointHanger
1
600 600
1800 mm
1200 mm
1
2
Grid layout and hanger locations
RockLink 24 Monolith Tile installation and system components
Tile installation sequence
Plan and cross section of Rockfon tile with edge detail D
System components and consumption guide
Main runners positioned at 1800 mm centres.Suspension hangers positioned at 1200 mm centres.
Quantity/m2 1 3 4 5 6 82 7
Main runnerL:3600 mm
38
24
Cross teeL:1800 mm
38
24
Shadow mouldingL:3050 mm
33
30
Perimeterangle trimL:3050 mm
32
19
Suspensionhanger
Direct hanger
11
11
Wall clipAngle splineL: 593 mm
Reference 850-30-001
0.56 lm 1.68 lm *) *) 0.47 pcs 0.47 pcs 1) 1)
856-30-001 1466-001 1438-001 69-60-00 8821.5(50)21.8(80)21.1(100)
Module size (mm)
600600
18 600 x 600 59
Module size (mm)Tile thickness (mm) D (mm)Minimum installation depth
4.7600 x 600
Max. evenlydistributedload (kg/m2)
Module size(mm)
System Loading Capacity
Description
RockLink 24 Monolith is a
concealed grid suitable for the
installation of Rockfon tiles with
edge detail D in module size 600
mm x 600 mm. It comprises
Rockfon Sonar tiles with
edge detail D in module size
600 mm x 600 mm are suit-
able for installation using this
system.
RockLink 24 Monolith is
characterised by a quick
installation compared to
existing concealed grid
systems. This is due to the
lower number of components
and fixings.
RockLink 24 Monolith also
provides easy access to servi-
ces due to demountability.
When creating a ceiling using
RockLink 24 Monolith, the
main runners should be posi-
tioned at 1800 mm centres.
1800 mm long cross tees are
positioned at 600 mm cen-
tres. Hangers are positioned
at max. 1200 mm centres.
main runners, cross tees,
hangers, perimeter trims and a
variety of accessories. RockLink
24 Monolith can be either
suspended or directly fastened
to the soffit using a variety of
hangers. Tiles installed in this
system are fully demountable.
See installation and demounting
instructions for full details.
D
1) Angle splines should be inserted in the 'C' edges if the tiles are loaded with a service or if the ceiling is
to be used as a fire protecting/fire resisting ceiling. Consumption; 3.71 pcs if fire protecting ceiling.
*) Consumption according to room size.
D = Minimum installation depth
for easy tile installation and
demountability.
Depth when using direct
hangers is minimum 59 mm.
Gypsum /MF plasterboardborder
1800mm
max.1200 mm *)
1800mm
max.1200 mm *)
max. 1200 mmto wall *)
1800 mm
4
5
max 450 mm
1200 mm
5
2
6
31
5
8
7
*) When using perimeter angle trim this dimension can be increased to 1780 mm
cross tee positions (use extra trim fixings if necessary), or (2) the ends of the cutcross tees are mechanically fastened to the wall using appropriate fixings.
For further details on system
loading capacity, contact
Rockfon.
1. Angle trim
6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03 6.1.12 RockLink 24 Monolith 02.03
1800 mm x 600 mm bay re-
mains fully demountable after
finished installation. To demount
the middle tile, press up carefully
at the centre of the tile until it
becomes loose and can be re-
moved. The other two tiles can
then be removed by pulling
them free from the main runners
and lifting them out.
C
MF Channel MF Channel
9,5 mm plasterboard
D2
MF Channel
9,5 mm plasterboard
MF Channel
5C. Finishing with MF plasterboard border Edge detail D2
5B. Finishing with MF plasterboard borderEdge detail C
D1
MF Channel MF Channel
9,5 mm plasterboard
21
Step 1
1 12 3C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C C
D2
D1
C
1800 mm
Step 2
1800 mm
Step 3
1800 mm
Main runnerCross teeTile joint
B
B
A A
C
D1 D2
C
C C
Cross section B-B
D1 D2
Cross section A-A
Rockfon tiles with edge detail D
have three different edge details
on the same tile, namely – D1,
D2, and C.
After the grid has been installed,
tile installation is commenced by
positioning the first tile (Tile 1)
between two cross tees so that
one side of the tile with edge
detail C is locked on the main
runner.
The same principle is used for
the installation of the next tile
(Tile 2) in the opposite end of
each 1800 mm x 600 mm “bay”.
The remaining tile (Tile 3) is
positioned in the middle be-
tween the two cross tees. This
tile (Tile 3) is fully demountable.
Demountability
The middle tile (Tile 3) in every
RockLink 24 Monolith offers
the possibility for perimeter
finishing with a gypsum / MF
plasterboard border.
Finishing options withMF plasterboard border
Rockfon RockLink 24 Monolith
may be finished with Gypsum /
MF plasterboard borders and still
be fully demountable.
Depending on the distance from
main runners to the border,
different supplementary tiles
should be used, see figs. 7
and 8. D1
1800 mm cross tee
Main runner
Self drilling screw9,5 mm plasterboard
6A. Finishing with plasterboard border Edge Detail D1 *)
Main runner
Cross tee
Self drilling screw
C
9,5 mm plasterboard
6B. Finishing with plasterboard border Edge Detail C
9,5 mm plasterboard
1800 mm cross tee
Main runnerMain runner
Self drilling screw
D2
6C. Finishing with plasterboard border Edge Detail D2 *)
Finishing options with MF plasterboard borders
6.1.12 RockLink 24 Monolith 02.03
Fig. 7
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 3tile
C
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
SonarType 1tile
D2
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Fig. 8
Dimensional plans of the four tile types
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
SonarType 2tile
C
D2
D1
C
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
Sonar Dstandardtile
600 mm 612 mm 576 mm
600 mm
Sonar D
600 mm
Sonar D Type 1 Type 3
600 mm 600 mm 588 mm
600 mm
Sonar D
600 mm
Sonar D
600 mm
Sonar D Sonar D Type 2
D1
C C
D2
Sonar Dstandardtile
600 mm
Plasterboard border
Main runnerCross tee 1800Cross tee 1200Cross tee 600
D1
D2
D1
C D2
D2
SonarType 1tile
612 mm
D1
C C
D2
SonarType 2tile
588 mm
D1
C C
D2
SonarType 3tile
576 mm
*) When finishing with these options, dependingon the width of the border, additional inter-mediate cross tees (and suspension hangers onthe cross tees) may be necessary to supportthe plasterboard.
Rockfon RockLink 24 Monolith
can be finished with MF
plasterboard borders and
remain fully demountable.
However, it is important that
the MF plasterboard border is
set out and constructed so as
to allow full size tiles to be
used. When setting out, always
use as many “full” 1800 mm x
600 mm “bays” as possible.
In addition, supplementary
Type 1, Type 2 and Type 3 tiles
together with 1200 mm and
600 mm cross tees may be
required to complete the
ceiling.
The grid layout at the border
will vary depending on the
distance between the main
runners and the border. If there
is room for 3 tiles, use standard
Sonar tiles.
If there is room for 1 tile, sup-
plement the standard Sonar
tiles with Type 1 and Type 3
tiles and use 600 mm cross
tees at the border as shown in
figure 7.
If there is room for 2 tiles,
supplement the standard Sonar
tiles with Type 2 tiles and use
1200 mm cross tees at the
border as shown in figure 8.
Rockfon Limited
Pencoed, Bridgend
Mid Glamorgan, CF35 6NY
Tel. 01656 864696
Fax 01656 864549
www.rockfon.co.uk
Subject to alterations in range and product technology without prior notice. Rockfon Ltd. accept no responsibility for printing errors.
6.1.12 RockLink 24 Monolith 02.03
Specification
The ceiling suspension system
shall be RockLink 24 Monolith,
installed to form a module of
600 x 600 mm.
The main runners shall be positi-
oned at 1800 mm centres and
suspended from the structural
soffit using __________ hangers
at 1200 mm centres. 1800 mm
long cross tees shall be positi-
oned at 600 mm centres.
The perimeter finish shall be
perimeter finish option
__________.
The ceiling shall be installed in
accordance with Rockfon instal-
lation sheet 6.1.12.
Complete options as required.
NBS K40 specification texts are
available either from NBS Plus
on 0191 222 8533 or direct
from Rockfon on 01656 864696
or www.rockfon.co.uk “Spec
Generator”.
Service integration
Angle spline
A variety of service installations
and lights can be easily inte-
grated into this system and
Rockfon ceiling tiles.
When installing services, there
may be a need for additional
hangers. This will depend on
the weight and position of the
services. The following guide-
lines should be observed.
The ceiling tile alone should not
support service installations.
Lightweight Installation loads
should always be adequately
spread on the back of the tile
using thin metal yokes and the
insertion of angle splines. See
illustrations on this page and
figure D4. Services exceeding
500 g in weight, eg. recessed
modular luminaires should
always be independently
supported, or additional
hangers should be positioned
at the centre of the 1800 mm
cross tees as illustrated below.
Light installation details
See section 6.2 in the Rockfon
binder for guideline concerning
lighting installation. When inte-
grating recessed modular lumi-
naries, it is important to ensure
that the 1800 mm cross tees
supporting the luminaire are
fitted with additional hangers.
Alternatively, the luminaire
should be independently sup-
ported. These luminaires should
have a nominal face dimension
of 598 mm - 599 mm and a
flange width which exceeds 24
mm. These are available from
leading lighting manufacturers.
Service
Rockfon has many years of
experience in ceiling design and
acoustic regulation. We are
happy to place our knowledge
at you disposal – by documen-
tation and personal service,
right from the planning stage to
the finished building.
Call our Customer Service and
Technical Service departments
for advice on: 01656 864696.
Smoke detector integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of smoke detectors.
Sprinkler integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of sprinklers.
Additional hangerAdditional hanger
Metal yoke
Ventilation integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of various types of
ventilation and air conditioning
items.
Speaker integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of speakers.
Installation of recessed modular luminaires.
Spotlight integration etc.
Spotlight integration seen from
above, up to 500 g.
Installation guide RockLink 24 Monolith 6.1.12Installation system 02.03 / GB
CI / SFB 35
Perimeter Finishing
Junction between ceiling and
wall or other vertical surface
The perimeter trim should be
fastened to vertical surfaces at
the required level using appro-
priate fixings at maximum 450
mm centres. The perimeter trim
should be positioned 10 mm
below the grid system. Ensure
that butt joints between ad-
joining lengths of trim are neat
and that the trim is free from
kinks and remains true and level.
For the best aesthetics, use as
long a length of trim as possible.
The minimum recommended cut
length is 300 mm.
Junction between ceiling and
curved vertical surface
The use of a preformed curved
perimeter trim is the most
appropriate method. This should
be installed as described above.
Rockfon can provide details of
curved perimeter trims on
request.
Corners
Perimeter trims should be neatly
mitred at all corner joints. Over-
lap mitres are acceptable on
metal trims on internal corner
joints unless specified otherwise.
Main grid
Unless specified otherwise, the
ceiling should be set out symme-
trically and where possible, peri-
meter tiles should be greater
than 200 mm in width.
The hangers should be fastened
with appropriate top fixings and
to the main runners at 1200 mm
centres. Main runners should be
positioned at 1800 mm centres
and levelled at the appropriate
ceiling height. Main runner
joints should be staggered and
there should be a hanger positi-
oned within 150 mm of the fire
expansion joint and within 450
mm of the end of the main run-
ner where it terminates at a
perimeter. Additional hangers
may be necessary to support the
weight of ceiling services.
When using direct hangers, a
fixing nail should be used to lock
the hanger on to the bulb of the
main runner.
600 x 600 mm module
Fit 1800 mm cross tees between
the main runners at 600 mm
centres.
Tile installation
Install tiles as shown in figure
D1. Refer also to the installation
sequence section.The wearing of
gloves is recommended in order
to avoid soiling the tiles.
When using cut tiles at the peri-
meter, wall clips should be posi-
tioned on the perimeter trim as
shown in fig. D2. The tile is
pushed towards the spring ,
then lowered down on to the
grid . The clip will push the
tile into position and form a tight
joint. Where there is enough
space in the ceiling void, the
perimeter tiles can be installed
with wall clips by gaining access
through the penultimate row of
tiles. The penultimate row of
tiles should then be installed last
of all.
Rockfon tiles are easy to cut by
using a sharp knife. Edge paint
should be applied to any visible
cut edges.
Direct fixing
Fasten the main runners to the
structure by means of direct
hangers at 1200 mm centres,
see figure D3. As a minimum,
every second direct hanger
should have a fixing nail used to
lock the hanger onto the bulb of
the main runner. Ensure that the
ceiling is levelled at the appro-
priate ceiling height as described
above.
Accessories
Hangers
Wire and adjustable rod hangers
should be fastened through the
holes in the stalk of the main
runners. Wire hangers should be
passed through the hole and
wrapped at least three times
around itself. Adjustable rod
hangers should be orientated
and connected to main runners
so that the lower sections of the
hangers run in the same
direction.
Top Fixings
Top fixings are available from
many specialist suppliers, it is
important to be sure that the
top fixings used to support the
ceiling are appropriate for the
specific soffit and that they pro-
vide adequate pull out strength
when installed.
Angle splines
Angle splines should be inserted
in the tile edge detail C when the
tiles are loaded from the rear side,
e.g. with light fittings and loud-
speakers or when the ceiling is
being used for fire protecting / fire
resisting purposes. See figure D4.
Fire Resisting / Protecting
Ceilings
This system can be used in
conjunction with Rockfon Sonar
tiles to create a 30 minutes fire
resisting / protecting ceiling
construction in accordance with
BS 476.
Corrosion Resistance
This system provides excellent
longevity, however, it is also
available in an enhanced corro-
sion resistant format for use in
harsh environment applications
eg. swimming pools.
Fig. D1
1
2 3
Fig. D2
2
1
Fig. D3
6.1.12 RockLink 24 Monolith 02.03
Fig. D4
Main runnerHangerAdditional hanger
6.1.12 RockLink 24 Monolith 02.03
Environment
Rockfon products are primarily
based on the natural materials –
stone, chalk and clay. They are
produced in an environmentally
friendly process and can be
recycled.
Rockfon ceiling tiles are manu-
factured from stone wool fibres
which fulfil the EU directive
97/69 note Q.
Rockwool A/S, the supplier of
the stone wool used to manu-
facture Rockfon products, is
environmentally certified accor-
ding to ISO 14001 and registe-
red with the EU´s voluntary
EMAS arrangement regarding
environmental management and
audits.
Rockfon is a member of
COMPASS - The Construction
Manufacturers Partnering Asso-
ciation. COMPASS is committed
to supply chain integration and
construction reform.
Rockfon Limited
Pencoed, Bridgend
Mid Glamorgan, CF35 6NY
Tel. 01656 864696
Fax 01656 864549
www.rockfon.co.uk
Subject to alterations in range and product technology without prior notice. Rockfon Ltd. accept no responsibility for printing errors.
6.1.12 RockLink 24 Monolith 02.03
Specification
The ceiling suspension system
shall be RockLink 24 Monolith,
installed to form a module of
600 x 600 mm.
The main runners shall be positi-
oned at 1800 mm centres and
suspended from the structural
soffit using __________ hangers
at 1200 mm centres. 1800 mm
long cross tees shall be positi-
oned at 600 mm centres.
The perimeter finish shall be
perimeter finish option
__________.
The ceiling shall be installed in
accordance with Rockfon instal-
lation sheet 6.1.12.
Complete options as required.
NBS K40 specification texts are
available either from NBS Plus
on 0191 222 8533 or direct
from Rockfon on 01656 864696
or www.rockfon.co.uk “Spec
Generator”.
Service integration
Angle spline
A variety of service installations
and lights can be easily inte-
grated into this system and
Rockfon ceiling tiles.
When installing services, there
may be a need for additional
hangers. This will depend on
the weight and position of the
services. The following guide-
lines should be observed.
The ceiling tile alone should not
support service installations.
Lightweight Installation loads
should always be adequately
spread on the back of the tile
using thin metal yokes and the
insertion of angle splines. See
illustrations on this page and
figure D4. Services exceeding
500 g in weight, eg. recessed
modular luminaires should
always be independently
supported, or additional
hangers should be positioned
at the centre of the 1800 mm
cross tees as illustrated below.
Light installation details
See section 6.2 in the Rockfon
binder for guideline concerning
lighting installation. When inte-
grating recessed modular lumi-
naries, it is important to ensure
that the 1800 mm cross tees
supporting the luminaire are
fitted with additional hangers.
Alternatively, the luminaire
should be independently sup-
ported. These luminaires should
have a nominal face dimension
of 598 mm - 599 mm and a
flange width which exceeds 24
mm. These are available from
leading lighting manufacturers.
Service
Rockfon has many years of
experience in ceiling design and
acoustic regulation. We are
happy to place our knowledge
at you disposal – by documen-
tation and personal service,
right from the planning stage to
the finished building.
Call our Customer Service and
Technical Service departments
for advice on: 01656 864696.
Smoke detector integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of smoke detectors.
Sprinkler integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of sprinklers.
Additional hangerAdditional hanger
Metal yoke
Ventilation integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of various types of
ventilation and air conditioning
items.
Speaker integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of speakers.
Installation of recessed modular luminaires.
Spotlight integration etc.
Spotlight integration seen from
above, up to 500 g.
Installation guide RockLink 24 Monolith 6.1.12Installation system 02.03 / GB
CI / SFB 35
Perimeter Finishing
Junction between ceiling and
wall or other vertical surface
The perimeter trim should be
fastened to vertical surfaces at
the required level using appro-
priate fixings at maximum 450
mm centres. The perimeter trim
should be positioned 10 mm
below the grid system. Ensure
that butt joints between ad-
joining lengths of trim are neat
and that the trim is free from
kinks and remains true and level.
For the best aesthetics, use as
long a length of trim as possible.
The minimum recommended cut
length is 300 mm.
Junction between ceiling and
curved vertical surface
The use of a preformed curved
perimeter trim is the most
appropriate method. This should
be installed as described above.
Rockfon can provide details of
curved perimeter trims on
request.
Corners
Perimeter trims should be neatly
mitred at all corner joints. Over-
lap mitres are acceptable on
metal trims on internal corner
joints unless specified otherwise.
Main grid
Unless specified otherwise, the
ceiling should be set out symme-
trically and where possible, peri-
meter tiles should be greater
than 200 mm in width.
The hangers should be fastened
with appropriate top fixings and
to the main runners at 1200 mm
centres. Main runners should be
positioned at 1800 mm centres
and levelled at the appropriate
ceiling height. Main runner
joints should be staggered and
there should be a hanger positi-
oned within 150 mm of the fire
expansion joint and within 450
mm of the end of the main run-
ner where it terminates at a
perimeter. Additional hangers
may be necessary to support the
weight of ceiling services.
When using direct hangers, a
fixing nail should be used to lock
the hanger on to the bulb of the
main runner.
600 x 600 mm module
Fit 1800 mm cross tees between
the main runners at 600 mm
centres.
Tile installation
Install tiles as shown in figure
D1. Refer also to the installation
sequence section.The wearing of
gloves is recommended in order
to avoid soiling the tiles.
When using cut tiles at the peri-
meter, wall clips should be posi-
tioned on the perimeter trim as
shown in fig. D2. The tile is
pushed towards the spring ,
then lowered down on to the
grid . The clip will push the
tile into position and form a tight
joint. Where there is enough
space in the ceiling void, the
perimeter tiles can be installed
with wall clips by gaining access
through the penultimate row of
tiles. The penultimate row of
tiles should then be installed last
of all.
Rockfon tiles are easy to cut by
using a sharp knife. Edge paint
should be applied to any visible
cut edges.
Direct fixing
Fasten the main runners to the
structure by means of direct
hangers at 1200 mm centres,
see figure D3. As a minimum,
every second direct hanger
should have a fixing nail used to
lock the hanger onto the bulb of
the main runner. Ensure that the
ceiling is levelled at the appro-
priate ceiling height as described
above.
Accessories
Hangers
Wire and adjustable rod hangers
should be fastened through the
holes in the stalk of the main
runners. Wire hangers should be
passed through the hole and
wrapped at least three times
around itself. Adjustable rod
hangers should be orientated
and connected to main runners
so that the lower sections of the
hangers run in the same
direction.
Top Fixings
Top fixings are available from
many specialist suppliers, it is
important to be sure that the
top fixings used to support the
ceiling are appropriate for the
specific soffit and that they pro-
vide adequate pull out strength
when installed.
Angle splines
Angle splines should be inserted
in the tile edge detail C when the
tiles are loaded from the rear side,
e.g. with light fittings and loud-
speakers or when the ceiling is
being used for fire protecting / fire
resisting purposes. See figure D4.
Fire Resisting / Protecting
Ceilings
This system can be used in
conjunction with Rockfon Sonar
tiles to create a 30 minutes fire
resisting / protecting ceiling
construction in accordance with
BS 476.
Corrosion Resistance
This system provides excellent
longevity, however, it is also
available in an enhanced corro-
sion resistant format for use in
harsh environment applications
eg. swimming pools.
Fig. D1
1
2 3
Fig. D2
2
1
Fig. D3
6.1.12 RockLink 24 Monolith 02.03
Fig. D4
Main runnerHangerAdditional hanger
6.1.12 RockLink 24 Monolith 02.03
Environment
Rockfon products are primarily
based on the natural materials –
stone, chalk and clay. They are
produced in an environmentally
friendly process and can be
recycled.
Rockfon ceiling tiles are manu-
factured from stone wool fibres
which fulfil the EU directive
97/69 note Q.
Rockwool A/S, the supplier of
the stone wool used to manu-
facture Rockfon products, is
environmentally certified accor-
ding to ISO 14001 and registe-
red with the EU´s voluntary
EMAS arrangement regarding
environmental management and
audits.
Rockfon is a member of
COMPASS - The Construction
Manufacturers Partnering Asso-
ciation. COMPASS is committed
to supply chain integration and
construction reform.
Rockfon Limited
Pencoed, Bridgend
Mid Glamorgan, CF35 6NY
Tel. 01656 864696
Fax 01656 864549
www.rockfon.co.uk
Subject to alterations in range and product technology without prior notice. Rockfon Ltd. accept no responsibility for printing errors.
6.1.12 RockLink 24 Monolith 02.03
Specification
The ceiling suspension system
shall be RockLink 24 Monolith,
installed to form a module of
600 x 600 mm.
The main runners shall be positi-
oned at 1800 mm centres and
suspended from the structural
soffit using __________ hangers
at 1200 mm centres. 1800 mm
long cross tees shall be positi-
oned at 600 mm centres.
The perimeter finish shall be
perimeter finish option
__________.
The ceiling shall be installed in
accordance with Rockfon instal-
lation sheet 6.1.12.
Complete options as required.
NBS K40 specification texts are
available either from NBS Plus
on 0191 222 8533 or direct
from Rockfon on 01656 864696
or www.rockfon.co.uk “Spec
Generator”.
Service integration
Angle spline
A variety of service installations
and lights can be easily inte-
grated into this system and
Rockfon ceiling tiles.
When installing services, there
may be a need for additional
hangers. This will depend on
the weight and position of the
services. The following guide-
lines should be observed.
The ceiling tile alone should not
support service installations.
Lightweight Installation loads
should always be adequately
spread on the back of the tile
using thin metal yokes and the
insertion of angle splines. See
illustrations on this page and
figure D4. Services exceeding
500 g in weight, eg. recessed
modular luminaires should
always be independently
supported, or additional
hangers should be positioned
at the centre of the 1800 mm
cross tees as illustrated below.
Light installation details
See section 6.2 in the Rockfon
binder for guideline concerning
lighting installation. When inte-
grating recessed modular lumi-
naries, it is important to ensure
that the 1800 mm cross tees
supporting the luminaire are
fitted with additional hangers.
Alternatively, the luminaire
should be independently sup-
ported. These luminaires should
have a nominal face dimension
of 598 mm - 599 mm and a
flange width which exceeds 24
mm. These are available from
leading lighting manufacturers.
Service
Rockfon has many years of
experience in ceiling design and
acoustic regulation. We are
happy to place our knowledge
at you disposal – by documen-
tation and personal service,
right from the planning stage to
the finished building.
Call our Customer Service and
Technical Service departments
for advice on: 01656 864696.
Smoke detector integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of smoke detectors.
Sprinkler integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of sprinklers.
Additional hangerAdditional hanger
Metal yoke
Ventilation integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of various types of
ventilation and air conditioning
items.
Speaker integration
See section 6.2 in the Rockfon
binder for guideline concerning
installation of speakers.
Installation of recessed modular luminaires.
Spotlight integration etc.
Spotlight integration seen from
above, up to 500 g.
Installation guide RockLink 24 Monolith 6.1.12Installation system 02.03 / GB
CI / SFB 35
Perimeter Finishing
Junction between ceiling and
wall or other vertical surface
The perimeter trim should be
fastened to vertical surfaces at
the required level using appro-
priate fixings at maximum 450
mm centres. The perimeter trim
should be positioned 10 mm
below the grid system. Ensure
that butt joints between ad-
joining lengths of trim are neat
and that the trim is free from
kinks and remains true and level.
For the best aesthetics, use as
long a length of trim as possible.
The minimum recommended cut
length is 300 mm.
Junction between ceiling and
curved vertical surface
The use of a preformed curved
perimeter trim is the most
appropriate method. This should
be installed as described above.
Rockfon can provide details of
curved perimeter trims on
request.
Corners
Perimeter trims should be neatly
mitred at all corner joints. Over-
lap mitres are acceptable on
metal trims on internal corner
joints unless specified otherwise.
Main grid
Unless specified otherwise, the
ceiling should be set out symme-
trically and where possible, peri-
meter tiles should be greater
than 200 mm in width.
The hangers should be fastened
with appropriate top fixings and
to the main runners at 1200 mm
centres. Main runners should be
positioned at 1800 mm centres
and levelled at the appropriate
ceiling height. Main runner
joints should be staggered and
there should be a hanger positi-
oned within 150 mm of the fire
expansion joint and within 450
mm of the end of the main run-
ner where it terminates at a
perimeter. Additional hangers
may be necessary to support the
weight of ceiling services.
When using direct hangers, a
fixing nail should be used to lock
the hanger on to the bulb of the
main runner.
600 x 600 mm module
Fit 1800 mm cross tees between
the main runners at 600 mm
centres.
Tile installation
Install tiles as shown in figure
D1. Refer also to the installation
sequence section.The wearing of
gloves is recommended in order
to avoid soiling the tiles.
When using cut tiles at the peri-
meter, wall clips should be posi-
tioned on the perimeter trim as
shown in fig. D2. The tile is
pushed towards the spring ,
then lowered down on to the
grid . The clip will push the
tile into position and form a tight
joint. Where there is enough
space in the ceiling void, the
perimeter tiles can be installed
with wall clips by gaining access
through the penultimate row of
tiles. The penultimate row of
tiles should then be installed last
of all.
Rockfon tiles are easy to cut by
using a sharp knife. Edge paint
should be applied to any visible
cut edges.
Direct fixing
Fasten the main runners to the
structure by means of direct
hangers at 1200 mm centres,
see figure D3. As a minimum,
every second direct hanger
should have a fixing nail used to
lock the hanger onto the bulb of
the main runner. Ensure that the
ceiling is levelled at the appro-
priate ceiling height as described
above.
Accessories
Hangers
Wire and adjustable rod hangers
should be fastened through the
holes in the stalk of the main
runners. Wire hangers should be
passed through the hole and
wrapped at least three times
around itself. Adjustable rod
hangers should be orientated
and connected to main runners
so that the lower sections of the
hangers run in the same
direction.
Top Fixings
Top fixings are available from
many specialist suppliers, it is
important to be sure that the
top fixings used to support the
ceiling are appropriate for the
specific soffit and that they pro-
vide adequate pull out strength
when installed.
Angle splines
Angle splines should be inserted
in the tile edge detail C when the
tiles are loaded from the rear side,
e.g. with light fittings and loud-
speakers or when the ceiling is
being used for fire protecting / fire
resisting purposes. See figure D4.
Fire Resisting / Protecting
Ceilings
This system can be used in
conjunction with Rockfon Sonar
tiles to create a 30 minutes fire
resisting / protecting ceiling
construction in accordance with
BS 476.
Corrosion Resistance
This system provides excellent
longevity, however, it is also
available in an enhanced corro-
sion resistant format for use in
harsh environment applications
eg. swimming pools.
Fig. D1
1
2 3
Fig. D2
2
1
Fig. D3
6.1.12 RockLink 24 Monolith 02.03
Fig. D4
Main runnerHangerAdditional hanger
6.1.12 RockLink 24 Monolith 02.03
Environment
Rockfon products are primarily
based on the natural materials –
stone, chalk and clay. They are
produced in an environmentally
friendly process and can be
recycled.
Rockfon ceiling tiles are manu-
factured from stone wool fibres
which fulfil the EU directive
97/69 note Q.
Rockwool A/S, the supplier of
the stone wool used to manu-
facture Rockfon products, is
environmentally certified accor-
ding to ISO 14001 and registe-
red with the EU´s voluntary
EMAS arrangement regarding
environmental management and
audits.
Rockfon is a member of
COMPASS - The Construction
Manufacturers Partnering Asso-
ciation. COMPASS is committed
to supply chain integration and
construction reform.