AC3118/rev. 8-24 © 2024 USG Corporation and/or its af liates. All rights reserved. Printed in U.S.A. Manufactured by USG Interiors, LLC 550 West Adams Street Chicago, IL 60661 Notice The information in this document is subject to change without notice. CGC Inc. or USG Corp. assumes no responsibility for any errors that may inadvertently appear in this document. YEAR LIMITED SYSTEM WARRANTY • No Visible Sag • Mold/Mildew Protection ORDER SAMPLES/LITERATURE USG: usg.com or
[email protected] CGC: contact Sales Representative TECHNICAL SERVICES 800 USG.4YOU (874-4968) FOR MOST UP-TO-DATE TECHNICAL INFORMATION AND LEED REPORT TOOL usgdesignstudio.com cgcdesignstudio.com usg.ecomedes.com USG DRYWALL SUSPENSION SYSTEM CURVED CEILINGS The trademarks USG, CGC, COMPÄSSO, IT’S YOUR WORLD. BUILD IT., the USG/CGC logo, the design elements and colors, and related marks are trademarks of USG Corporation or its af liates. Safety First! Follow good safety/industrial hygiene practices during installation. Wear appropriate personal protective equipment. Read SDS and literature before specifi cation and installation. Rated Load1, 2 ASTM Class per C635 Radius Arc Length Height Item No.3 Fire Rating 2' Hanger Spacing 4' Hanger Spacing SYSTEM COMPONENTS Curved Main Tee Vault 1 1/2" 1 5/8" nom. 16 lb.4 31"-44" 6' 1-1/2" DGW6VTxxx Class A — 16.0 lb./LF 16 lb.4 45"-60" 8' 1-1/2" DGW8VTxxx Class A — 16.0 lb./LF 16 lb.4 61"-72" 10' 1-1/2" DGW10VTxxx Class A — 16.0 lb./LF 16 lb.4 73"-91" 10' 1-1/2" DGW10VTxxx Class A — 16.0 lb./LF 16 lb.4 92"-239" 10' 1-1/2" DGW10VTxxx Class A — 16.0 lb./LF 16 lb.4 240"+ 12' 1-1/2" DGW12VTxxx Class A — 16.0 lb./LF Valley 1 1/2" 1 5/8" nom. 16 lb.4,5 31"-44" 6' 1-5/8" DGW6VYxxx Class A 16.0 lb./LF — 16 lb.4,5 45"-60" 8' 1-5/8" DGW8VYxxx Class A 16.0 lb./LF — 16 lb.4,5 61"-72" 10' 1-5/8" DGW10VYxxx Class A 16.0 lb./LF — 16 lb.4,5 73"-91" 10' 1-5/8" DGW10VYxxx Class A 16.0 lb./LF — 16 lb.4,5 92"-239" 10' 1-5/8" DGW10VYxxx Class A 16.0 lb./LF — See Flat Ceilings (AC3117) for information on straight cross tees, cross channels and moldings. ACCESSORIES Cross Tees DGSC180 Splice Clip DGTC90 Transition Clip DGC4, DGC6, DGC8 USG Compässo™ Drywall Clip DGWC Wall Attachment Clip DGSP180 Splice Plate DGHUB Dome Hub TYPICAL ASSEMBLIES 8-Spoke Dome 16-Spoke Dome Dome Vault DESIGN SUPPORT usgdesignstudio.com or cgcdesignstudio.com • Online design and specifi cation tools. • Installation videos. • Domes and barrel-vault estimator. Additional support available through USG Ceiling Solutions Group for design and estimation of nontypical applications. PHYSICAL DATA/ FOOTNOTES Product literature and samples Data sheet: AC3118 System brochure: AC3152 Material Min. G40 hot-dipped galvanized steel body and cap. Online tools usgdesignstudio.com, or cgcdesignstudio.com or usg.ecomedes.com Online Dome, Vault, and Vaulted Dome Estimators to assist in material estimation and ordering. Limitations For exterior applications, the suspension system should be reviewed by a structural engineer. Installation Install according to ASTM C636, ASTM E580, CISCA and USG requirements. Alternate installation methods may be used when approved by the authority having jurisdiction. Notes 1. All USG main tees, cross tees and main tee-hanger wire connections meet ASTM E580 requirements for tension and compression strength, as tested per ASTM C1925. 2. For detailing and module loading, request AC3152. 3. Each Main Tee is manufactured to project specifi c needs and may require an RTQ. 4. As tested per independent testing agency, both vault and valley main tees can carry 16 lb. per lineal foot. 5. As tested per independent testing agency, valleys require hanger wire spacing of 2' o.c. Suspension Systems 353
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