Concrete Vapor Barrier Seams and Penetrations: Tape, Patches, and “Oops” Fixes
Introduction A concrete vapor barrier seam is the joined, airtight edge where barrier material meets itself or a patch. Tape and patches are used to seal these seams, and proper technique means clean surfaces, careful pressure, and following the material’s instructions. Penetrations like pipes or conduits must be sealed carefully at the edge where they […]
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