ASTM synthetic roof underlayment anti-slip roof felt

     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 Breathable Roof Foil (160)   

        While being highly resistant to wind and water penetration from the outside Kangda breathable membrane is highly “diffusion open” on the inside giving it the ability to freely transport moisture from within the inner wall or roof cavity to the outside. This effectively prevents the mould and subsequent structural damage that can result when moisture becomes trapped during construction, and over time, from driving rain and internally driven dampness caused by condensation when humidity levels are high. Adding to the risk of structural decay is the wall and roof insulation which also becomes damp as a result of trapped moisture.

KangDa vapour barrier roof membrane

         The main function of the breathable roof membrane is to reduce the amount of heat lost by air leakage through the ceiling and from the loft space to the outside.

KangDa Breawarf Diffiusion Foils (C120)  

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