Grace PERM-A-BARRIER VPS Self-Adhering Vapor Permeable Air Barrier Membrane
PARTPERMAVPS38
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About this item
PERM-A-BARRIER® VPS (Vapor Permeable Sheet) is a vapor permeable air barrier membrane consisting of a proprietary breathable carrier film with a specially designed adhesive.
This product provides superior protection against the damaging effects of air and water ingress on building structures. It creates a solid barrier against air infiltration and exfiltration, which minimizes associated energy loss and condensation problems.
PERM-A-BARRIER® VPS membrane is vapor permeable for wall assemblies requiring this “breathable” characteristic. As a vapor permeable membrane, it permits the difusion of water vapor that may otherwise condense in the wall structure; but is impermeable to liquid water, which allows the material to act as a water drainage plain.
Features
Fire Resistant—meets NFPA 285 as part of various wall assemblies
Air tight—protects against air passage and associated energy loss
Vapor permeable—“breathable” membrane prevents moisture from being trapped in the wall cavity by allowing walls the ability to dry
Water resistant—resists hydrostatic water pressure and wind driven rain
Self-adhered—eliminates the need for mechanical fasteners
Controlled thickness—factory made sheet ensures constant, non-variable site application
Lightweight—allows for easy handling and installation
Flexible—accommodates minor settlement and shrinkage movement; bridges crack and joints in substrate
Strong adhesion—to prepared construction substrates such as plywood, oriented strand board (OSB) block, masonry and exterior gypsum boards
Compatible with PERM-A-BARRIER® Flashing Systems
Make & Model
Brand
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Part #
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Specifications
Color Family
White
Certifications & Standards
TAA/BAA Compliant
1
Packaging Dimensions
Height
7.800
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