GlasRoc® Sheathing and GlasRoc Sheathing Type X are high-performance, weather-resistant gypsum sheathing boards produced with CertainTeed’s patented Embedded Glass Reinforced Gypsum Technology.* GlasRoc Sheathing Type X has a specially formulated core for use in fire resistance rated designs.

Basic Uses

GlasRoc Sheathing boards are approved substrates by the major EIFS manufacturers, one-coat and conventional stucco systems, traditional cladding systems, exterior ceilings, soffit systems and exterior curved applications.

GlasRoc Sheathing Type X can be used in fire resistance rated exterior assemblies.

Advantages

• Will withstand up to twelve months of exposure to typical weather conditions such as UV, rain, wind, ice and snow
• Superior water resistance which does not impede vapor transmission
• Improved physical performance compared to paper-faced and glass mat-faced gypsum sheathing products
• Dimensionally stable under changes in temperature and relative humidity
• Due to its embedded glass mats, GlasRoc Sheathing resists delamination, deterioration, warping and job site damage
• Will not contribute to mold growth
• Noncombustible
• No special tools or fasteners required for installation
• Embedded glass mats reduce irritating glass fiber exposure for friendlier installation