The Delta-Vent SA vapor-permeable, water-resistive air barrier employs special adhesives with high vapor permeability (50 perms) to create an air- and watertight barrier that improves a home’s energy efficiency. The unique self-adhesive edge lap ensures efficiency long after application, the company says, and adheres easily to common substrates such as concrete, masonry, OSB, plywood, and exterior grade drywall. 888.433.5824. www.cosella-dorken.com.
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