Flex Securock Glass Mat Roof Board - Manual (Page 2)

your U.S. Gypsum Company
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for information.
Notice
We shall not be liable for
incidental or 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 their 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 the date it
was or reasonably should have
been discovered.
Safety First!
Follow good safety and
industrial hygiene practices
during handling and installation
of all products and systems.
Take necessary precautions
and wear the appropriate
personal protective equipment
as needed. Read material
safety data sheets and related
literature on products before
specification and/or installation.
Product Information
See usg.com for the most
up-to-date product information.
Trademarks
The following trademarks used
herein are owned by United
States Gypsum Company or
a related company: S ecurock ,
USG, USG in stylized letters.
Note
Products described here
may not be available in all
geographic markets. Consult
Performance – UL Classified as to Surface Burning Characteristics and Non-Combustibility in accordance with ASTM E84 & E136
(CAN/ULC-S102 & S114).
– Flame Spread 0 and Smoke Developed 0
– Non-Combustible Core
– 1/4", 1/2" and 5/8" Thickness — Class A unlimited slope in accordance with UL790 (CAN/ULC-S107).
– 5/8" Thickness — Meets requirements of Type X per ASTM C1177 and may be used in P series designs
as a thermal barrier.
System Performance – FM Approved
– Complies with requirements of FM 4450 and FM 4470
– Meets FM Class 1
Standards Compliance S
ecurock Glass-Mat roof board is manufactured to conform to ASTM C1177.
Physical Properties
Submittal Job Name
Approvals:
Contractor Date
S ecurock Glass-Mat Roof Board
1/4" (7.4 mm) 1/2" (12.7mm) 5/8" (15.9 mm)
Width, standard 4' (1220 mm) 4' (1220 mm) 4' (1220 mm)
Length, standard 8' (2440 mm) 8' (2440 mm) 8' (2440 mm)
Pieces per unit for 4' x 8' sheet 42 30 30
Weight, nominal lbs./unit 4' x 8' sheet 1688 1995 2667
Weight, nominal lbs./sq. ft. 1.2 2.0 2.7
Flexural strength, parallel, lbs. min. per ASTM C473 40 80 100
Compressive strength, psi nominal 700-1000 700-1000 700-1000
Flute spannability per ASTM E661 2-5/8" 5" 8"
Permeance, perms per ASTM E96 18 18 16
R Value per ASTM C518 0.36 0.53 0.54
Coefficient of thermal expansion,
inches/inch
 °F, per ASTM E831
8.5 x 10 -6 8.5 x 10 -6 8.5 x 10 -6
Linear variation with change in moisture,
inches/inch
 %RH, per ASTM D1037
6.3 x 10 -6 6.3 x 10 -6 6.3 x 10 -6
Water absorption, % max, per ASTM C473 10 10 10
Mold resistance per ASTM D3273* 10 10 10
Bending Radius 4' 6' 9'
*ASTM D3273 Mold Resistance Testing - In independent lab tests conducted on Securock Gypsum-Fiber roof board and Securock Glass-Mat roof board at the time of manufacture per ASTM D3273 Standard Test Method for Resistance
to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber, both panels scored a 10. The ASTM lab test may not accurately represent the mold performance of building materials in actual use. Given unsuitable project
conditions during storage, installation or after completion, any building material can be overwhelmed by mold. To manage the growth of mold, the best and most cost-effective strategy is to protect building products from water exposure
during storage and installation and after completion of the building. This can be accomplished by using good design and construction practices.
Manufactured by
United States Gypsum Company
550 West Adams Street
Chicago, IL 60661
(800) USG.4YOU (874.4968)
usg.com
RF32/rev. 10-11
© 2011, United States Gypsum Company
Printed in U.S.A.