Operating Guide

800 USG.4YOU
800 (874-4968)
usg.com
Manufactured by
United States Gypsum Company
550 West Adams Street
Chicago, IL 60661
CB399/rev. 2-16
© 2016 USG Corporation and/or
its aliates. All rights reserved.
Printed in U.S.A.
PRODUCT INFORMATION
See usg.com for the most up-to-date product information.
DANGER
Causes skin irritation. Causes serious eye damage. May cause
an allergic skin reaction. May cause respiratory irritation.
May cause cancer by inhalation of respirable crystalline
silica. Do not handle until all safety precautions have been
read and understood. Avoid breathing dust. Use only in
a well-ventilated area, wear a NIOSH/MSHA-approved
respirator. Wear protective gloves/protective clothing/eye
protection. If swallowed, inhaled, or skin irritation occurs
get medical attention. If on skin: Wash with plenty of water.
If in eyes: Rinse cautiously with water for several minutes.
Remove contact lenses and continue rinsing. Contaminated
work clothing should not be allowed out of the workplace.
Wash contaminated clothing before reuse. Dispose of in
accordance with local, state, and federal regulations.
For more information call Product Safety: 800 507-8899
or see the SDS at usg.com
KEEP OUT OF REACH OF CHILDREN.
TRADEMARKS
The trademarks USG, DUROCK, IT’S YOUR WORLD. BUILD
IT., the USG logo, the design elements and colors, and
related marks are trademarks of USG Corporation or its
aliates.
NOTE
Products described here may not be available in all
geographic markets. Consult your USG Company sales
oce or representative for information.
NOTICE
We shall not be liable for incidental and consequential
damages, directly or indirectly sustained, nor for any loss
caused by application of these goods not in accordance with
current printed instructions or for other than the intended
use. Our liability is expressly limited to replacement of
defective goods. Any claim shall be deemed waived unless
made in writing to us within thirty (30) days from date it
was or reasonably should have been discovered.
SAFETY FIRST!
Follow good safety/industrial hygiene practices during
installation. Wear appropriate personal protective
equipment. Read SDS and literature before specification
and installation.
Stud Spacing Fastener Spacing Design Wind Load (I/240) Design Wind Load (I/360)
12" o.c. 8" o.c. 45 psf 45 psf
6" o.c. 60 psf 60 psf
16" o.c. 8" o.c. 33 psf 30 psf
6" o.c. 45 psf 30 psf
24" o.c. (for shaft wall
assemblies only)
8" o.c. 13 psf 9 psf
6" o.c. 13 psf 9 psf
Job Name
Contractor Date
UNIFORM LOAD—1/2" USG DUROCK®
BRAND CEMENT BOARD
SUBMITTAL APPROVALS