high quality econimocal ASTM roofing synthetic underlayment breathable membrane

     The breathable membrane has the function of waterproof and air permeable. When use this membrane wrap the insulation material, it will not stop the air or moisture get through itself, and when the moisture come condensation, the breathable membrane will keep the water drops on outside surface of the membrane. As the breathable membrane is hydrophobic, the water drop will not stay on the membrane or been absorbent, but will be fall down around the membrane, until the edges of the membrane and get out of house. So the breathable membrane is mainly used for pitched (sloppy) roof or wall wrap.

KangDa Vapour Permeable Membrane (C90)   

        "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 vapour barrier roof membrane

         The trouble with exterior house paint or building felts/papers is that degrades over time, allowing water to ingress into your home. So every few years the whole process has to be repeated to protect your property.

KangDa Breawarf Diffiusion Foils (C120)  

 I am Mr. Clock, contact me at: ntkdfh03(at)vip(dot)163(dot)com

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