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CertainTeed's GlasRoc Sheathing is a high-performance, non-combustible gypsum-based sheathing that offers exceptional fire resistance, moisture resistance, and mold resistance for exterior wall and soffit systems. Made from a combination of gypsum core and fiberglass mat facers, the product is engineered to withstand the elements and provide long-lasting performance. One of the standout features of GlasRoc Sheathing is its superior fire resistance. The sheathing is non-combustible and meets ASTM E136 / CAN/ULC-S114 standards for fire resistance, making it an ideal choice for buildings that require extra protection against fire hazards. The product also resists the growth of mold and mildew, providing an added layer of protection against moisture damage. GlasRoc Sheathing is designed to be used in exterior wall applications, providing a strong and durable surface for finishing materials such as stucco, brick, and siding. The sheathing is lightweight and easy to handle, making it easy to transport and install. It is also available in a variety of sizes and thicknesses to meet the specific nee...See More

Features & Benefits

Will withstand up to 12 months of exposure to typical weather conditions Superior water resistance which doesn't impede vapor transmission
GREENGUARD Gold certified
Applicable Standards
Compliant with ASTM C1177 Certified to ASTM E84 / CAN/ULC-S102 Certified to E136 / CAN/ULC-S114
12 month limited warranty against exposure
Glasroc Sheathing product featuring Susan B Koman for the cure pink ribbons

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