Waterproofing Breathable Membrane

waterproofing breathable membrane

Permeability of "KangDa" breathable membrane: "KangDa" breathable membrane paves outside of the insulation system, enable the water vapour inside the insulation system to exhaust, solve the condensation problem, protect the insulation system.

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.

KDBG150 breathable membrane is a synthetic roof underlay membrane, made of polypropylene. It is a functional membrane, it main function is to make the roof or wall breathable. The membrane is not only breathable, but also waterproofing. Because of this function, it can allow moisture to get out of roof or wall easily, and when the moisture meet cold tiles or shingles, it will be condensation as water-drop, and flow away on the breathable membrane, thus keep the inside insulation dry, avoid wet or mouldy.

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