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China Supplier 140g Polyethylene Polypropylene Composite Waterproof Membrane
Breather membrane is a three layer highly breathable ,fully waterproof membrane ,constructed from high tensile spunbond polypropylene layers,combined with a microporous polypropylene film.The outer layer forms the funtional waterproof surface;the middle layer is the breathable waterproof membrane and the inner layer protects the membrane from abrasion and damage,also giving additional strengths. Such structure enables the fabric to allow moisture vapour to pass through,whilst remaining fully waterproof
Specification
7. simple installation in new building, re-roofing and refurbishment situations
Package and Storage