Construction Joints Head of Wall Deflection Systems An AIA Continuing Education Program Credit for this course is 1 AIA/CES Learning Unit for HSW credit

Construction JointsConstruction Joints

Head of Wall Deflection SystemsHead of Wall Deflection Systems

An AIA Continuing Education ProgramAn AIA Continuing Education Program

Credit for this course is 1 AIA/CES Credit for this course is 1 AIA/CES Learning Unit for HSW credit.Learning Unit for HSW credit.

Course Title: Construction Joints: Head Of Wall Deflection Systems

Course Number: DMF002

This Course is Sponsored By:

An American Institute of Architects An American Institute of Architects (AIA) Continuing Education program(AIA) Continuing Education programAn American Institute of Architects An American Institute of Architects

(AIA) Continuing Education program(AIA) Continuing Education program

•Approved Promotional Statement: •DIETRICH Metal Framing is a registered provider with The American Institute Of Architects Continuing Education Systems. Credit earned on completion of this program will be reported to CES Records for AIA members. Certificates Of Completion for non-AIA members available on request."•This program is registered with the AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA or DIETRICH Metal Framing of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.

An American Institute of Architects An American Institute of Architects (AIA) Continuing Education program(AIA) Continuing Education programAn American Institute of Architects An American Institute of Architects

(AIA) Continuing Education program(AIA) Continuing Education programCourse Format: This is a structured, face to face course.Course Credit: 1 Health Safety & Welfare (HSW) learning unit (LU)Completion Certificate: A copy is sent to you by email if requested. Please be sure that your name and e-mail address are readable when you complete the Form B.

This program is registered with the AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA or Dietrich of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.

Course Title: Construction Joints: Head Of Wall Deflection SystemsCourse Number: DMF002

CopyrightCopyright

This presentation is protected by US and International copyright laws. Reproduction, distribution, display

and use of the presentation without written permission of the speaker is prohibited.

© Dietrich Metal Framing 2008

Learning ObjectivesLearning Objectives

• What are head of wall deflection systems?• How are head of wall deflection systems used?• What are the track types and what are the advantages of

each?• How to understand track assemblies, individual

components, and how to detail them.• Why Code Changes = Better Walls for Life Safety?• What should the Architect and Engineer consider when

specifying head of wall deflection systems?

• What is a Head of Wall Deflection System?

• Design Considerations

– Seismic Events

– Thermal Expansion/Contraction

– Wind Sheer

– Live/Dead Loading Above

Head of Wall BasicsHead of Wall Basics

Result: Wall damage will be reduced or eliminated.

Head of Wall Deflection SystemsHead of Wall Deflection Systems

This course will cover several of the more commonly used systems:

• Non-Proprietary

• Proprietary

• Non-Fire Rated

• Fire Rated

Head of Wall Deflection SystemsNon-Fire Rated

Head of Wall Deflection SystemsNon-Fire Rated

• U-Channel w/ Deep Leg Track• Flat Strap w/ Deep Leg Track• Over Track or Double Track• Stud Spacing and Retaining

Bar w/ Deep Leg Track• Flexible Track

U-Channel with Deep Leg TrackU-Channel with Deep Leg Track

• Products/Assembly

• Advantages

• Disadvantages

Flat Strap with Deep Leg TrackFlat Strap with Deep Leg Track


• Advantages

• Disadvantages

Over Track (Double Track)Over Track (Double Track)• Products/Assembly

• Advantages

• Disadvantages

Stud Spacing and Retaining Bar Products

Stud Spacing and Retaining Bar Products

• Notches every 12”, Notches every 12”, 16”, 24” centers. 16”, 24” centers. Notches hold studs Notches hold studs in place via shear.in place via shear.

•16 ga, 50” long•20 ga, 50” long

Stud Spacing and Retaining BarStud Spacing and Retaining Bar


• Advantages

• Disadvantages

Flexible TrackFlexible Track


• Advantages

• Disadvantages

Head of Wall Deflection SystemsFire-Rated


For a system to be fire-rated, it has to be tested and approved per UL and ASTM standards.

Code Changes = Better Walls for Life SafetyCode Changes = Better Walls for Life Safety

• UBC 1994

• UBC 1997

• International Building Code (IBC) 2003

• Others



• Deflection Track

• Deflection Track with Fire Stop System

• Slotted Track

Deflection TrackDeflection Track

• Product

• Assembly

• Advantages • Disadvantages

– Perpendicular – ParallelOR

Deflection Track with Firestop SystemDeflection Track with Firestop System


• Advantages

• Disadvantages

Slotted TrackSlotted Track• Product

Slotted TrackSlotted Track

• Assembly

• Advantages

• Disadvantages

Architect and Engineer ConsiderationsArchitect and Engineer Considerations

Labor Benefits to Owner when specifying a proprietary system:

• Material cost savings• Installation labor cost savings• Inspections passed• Rare or No call backs from owner

Results in Happier clients & reduced liability


Design benefits when specifying a proprietary system:

• Pre-approved & code compliant• Easy to specify & detail• Proven systems that labor force understands

how to install every time• Most can meet fire rating & have been tested

by:– U.L. – Warnock Hersey– Others


• Tested and approved system

• Vertical movement (Structural Engineer of Record)

• Clear documents


• Price and Installation

• Compliance and Submittals

• Specifications

Construction JointsConstruction JointsHead of Wall Deflection SystemsHead of Wall Deflection Systems

An AIA Continuing Education Program

Credit for this course is 1 AIA/CES Learning Unit for HSW credit.

Course Title: Construction Joints: Head Of Wall Deflection Systems

Course Number: DMF002

This Concludes:This Concludes:

This Course is Sponsored By:

QUESTIONS?

Thank you!

Others services offered by Dietrich Metal Framing include…

Dietrich Metal FramingDietrich Metal Framing Specification Reviews: Our Architectural Services Group will review your

specifications and return a copy to you. Email an electronic copy of your specification to Sheila Kovarik at [email protected]

Code Compliance website: Download state specific compliance checklists, view compliance presentations, link to related sites, etc. Visit us at www.dietrichindustries.com and click on the ‘Code Compliance’ link

Cold-Formed Engineering Services: Dietrich Design Group is an engineering company that provides engineered shop drawing services. In addition it may be able to assist you with preliminary member sizing and technical support. Contact Dietrich Design Group at 800-873-2443

Technical Literature: Update your library with copies of our catalogs. We are your source for all of your framing product needs…drywall and structural metal framing products, lath and trim products, vinyl and paper accessory products, etc. For the latest information visit us at www.dietrichindustries.com

Continuing Education Units: Dietrich offers a variety of either online or face-to-face AIA registered CEU courses. Visit our website at www.dietrichindustries.com/AIA/

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Construction Joints Head of Wall Deflection Systems An AIA Continuing Education Program Credit for this course is 1 AIA/CES Learning Unit for HSW credit