Manson Alley Wrap B Wrap

A fiberglass blanket providing both thermal and acoustical insulation, made from highly resilient inorganic glass fibers bonded by a thermosetting binder. It’s available unfaced, or with either and FSK or PSK jacket. Vapor retarders have a 2" (51 mm) stapling flange on one edge, and the factory-applied facing assures uniform quality.