Labels:chat room | door | hakham | sky | web site | window OCR: Prev Next Water Management of the Building Envelope Under Slab Vapor Barriers Single Laver Vapor Barrier and Under Slab Ground Membrane What is it used for or what does it cop This membrane IS used as sub- -grade sheet for damp -proofing A vapor retarder used where the floor wall or ceiling c sensitive tc humidity in above grade work such as wall and roof assemblies What is it made of? single laver virgin polyethylene One (1 laver foil base low- density virgin polvethylene {LDPE} to ASTM D4551 98 layer hase
