USG Securock® UltraLight Glass-Mat Roof Board
USG Securock® Brand UltraLight Coated Glass-Mat Roof Board is a high-performance roof board
for use in low-slope commercial roofi ng systems. It enhances the durability of the entire roofi ng
system when used as cover board in low-slope commercial roof systems. Its specially treated
core and high-performance glass-mat facer provide protection against fi re, mold and moisture.
USG Securock UltraLight Coated Glass-Mat Roof Board combines superior strength and an
ultralight core applicable for all cold adhesive roof applications.
Lightweight: Newly engineered to provide exceptional strength while 18% lighter than
Fire Performance: Meets Factory Mutual (FM) Class 1 and Underwriters Laboratories (UL)
Class A fi re ratings for unlimited slope in fi re barrier applications per UL 790.
Moisture and Mold: Fiberglass face and back with treated core provide moisture and