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Grace Construction Products Perm-A-Barrier Aluminum Wall Membrane

Grace Construction Products Perm-A-Barrier Aluminum Wall Membrane

Perm-A-Barrier Aluminum Wall Membrane provides extended ultraviolet exposure and sealant adhesion to the film. The vapor retarder produces a continuous air, vapor and water barrier when it is combined with a structural substrate. Perm-A-Barrier Aluminum Membrane exceeds Canadian Construction Materials Centre requirements for air barrier membranes, meets the ASTM E2357 standard and passes National Fire Protection Association's 285 standard as part of various wall assemblies containing foam-plastic insulation. www.graceconstruction.com