Because the roof membrane has not only the function of breathable, but also the function good waterproof. As the polypropylene s
Wall Wrap Membrane Breathable Housewrap
Because the roof membrane has not only the function of breathable, but also the function good waterproof. As the polypropylene spunbond fabric is water repellent itself, the water drop will not be absorbent by the membrane, but will keep it as round water drop and fall off the roof. So the spunbond roofing membrane is the best choice for this roofing membrane, and it is very cheap compare to other material.?
KangDa KangDa Roofing Membrane
"enefits:- Cold and warm roof application Three layer spun-bonded membrane Clean and easy to use Lightweight and Flexible Excellent tensile strength UV Stable for up to 4 months Grey surface prohibits glare Requires no ventilation.
KangDa Breathable waterproofing membrane
"? Made by two layers of non-woven fabrics and one layer of microporous polymeric membrane in the middle. The three layers are thermally laminated without using any chemicals such as glues.Outer layer forms functional waterproof surface Middle layer breathable waterproof membrane Inner layer protects from abrasion and damage, also giving additional strength