All of our information is sourced from manufacturer data.
WRB (Weather/Water Resistant Barrier)
Factory Applied (Integral Sheathing)
Sloped Roof, Wall
Standard Sizes: 4' 0"
Standard Sizes: 8"
Standard Sizes: 1", 2", 5", 8"
Manufacturer Design Notes
GlasRoc Sheathing panels are a tested air barrier material in accordance with ASTM E2178 (CAN/ULC-S741). GlasRoc Sheathing panels can be used in conjunction with air barrier components and accessories as part of an air barrier assembly ASTM E2357 (CAN/ULC-S742). GlasRoc Sheathing panels 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.
Rate of airflow through the barrier per square foot at a specified pressure difference
Weight needed to break the roll, per inch of width
Water Vapor Transmission
An imperial perm is defined as 1 grain of water vapor per hour, per square foot, per inch of mercury
Measure of the thermal resistance of the product, imperial units.
°F·ft^2·h / BTU
Product Weight Per Area
lb / ft ^ 2
International Building Code (IBC)
GREENGUARD Gold Certification
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