Pecora Air and Vapor Barrier ProPerm VP 5gal
$351.39
Applied to exterior wall assemblies where it functions as a vapor-permeable air and water-resistive barrier. Pecora ProPerm VP effectively blocks air and liquid water movement and limits the passage of moisture vapor through the building envelope. Pecora ProPerm VP is designed for use on concrete including block and precast, exterior grade gypsum sheathing, plywood, OSB and many other common building substrates.
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