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U.S. Ply
1/2" x 4' x 4' Securlock Gypsum Fiber Roof Board
QXO product C-343659 · 1 options
Selected: USP SECUROCK 1/2" GYP FIBER 4X4
QXO SKU 343659 · Product number USP12SR4GF
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PC|SQ
- Item Weight
- 42
- Algae Resistance
- No
- Applicable Standards
- ASTM C473 ASTM D3273 ASTM E84 ASTM C1278 ASTM E661 ASTM E96 ASTM C518 ASTM E831 ASTM D1037 CAN/ULC-S102 UL Classified CAN/ULC-S107 FM Approved
About this product
USG Securock® Brand Gypsum-Fiber Roof Board is a high-performance roof board for use in low-slope roofing systems. Its unique fiber-reinforced, uniform composition gives the panel strength and water resistance through to the core. USG Securock Gypsum-Fiber Roof Board provides exceptional bond and low absorption in adhered systems and, with uniform composition, achieves high wind-uplift ratings with no risk of facer delamination. Made from 97% recycled material, USG Securock Gypsum-Fiber Roof Board combines superior performance with sustainable design for all types of built-up roofing system and most fluid applied, spray foam, metal and any polyester reinforced single ply or modified bitumen membrane systems.



