Labels:hakham | sky | window OCR: Prev Next Water Management of the Building Envelope Under Slab Vapor Barriers Vapor Barrier, Radon/Methane Barrier, Under Slab Ground Membrane What is it used for or what does it do? (C/w polyethylene cionsity Radon gas barrier Subgr rade sheet damp proofing Above grade vapor retarder Where is it used? Under slab vapor barrier 100o barrier methane barrier radon barrier What is made of OW polrethylens donsity Virgin low- -density polyethylene incorpora ating multi- filament reinforced scrim 112 RadoniMethane oclvethylene donvity oarrie rdonsty poly rethvlene pciyethylene incorpor
