Grace’s Vycor enV-S self-adhered WRB requires no mechanical fasteners for installation, no taping, and no special joint treatments, and is designed to create a watertight and airtight seal around fasteners used for siding and exterior trim. The maker says third-party testing showed enV-S provided energy savings compared with traditional housewrap on northern U.S. homes. Check with distributors for pricing. graceresidential.com
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