PERM-A-BARRIER Wall membranes prevent premature deterioration of the building envelope by minimizing air and water vapor flow through the building exterior. Benefits and Features:Fully bonded - transmits wind loads directly to substrateWaterproof and impermeable to moisture - impermeable to the passage of liquid water and water vaporProtects against air passage and associated energy losses. Meets new ASTM E2357 standard as required by IECC 2012Provides dimensional stability, high tear strength, puncture and impact resistanceCold applied and FlexibleApplication surface and ambient temperatures at 5 (40 ) and above Applicable Standards: International Energy Conservation Code (IECC), California Building Energy, Efficiency Standard CEC-400-2008-001-CMF, CRRC Approved, Energy Star, Title 24 Compliant, UL Classified, Miami-Dade County Approved, SCAQMD Compliant, Florida Building Code Approved