KangDa Best Sell Breathable Vapour Barrier Membrane Underlayment

KangDa best sell breathable vapour barrier membrane underlayment

Membrane laid between the roof base and heat-insulation layer, can strengthen the building air tightness, water tightness, slow down the emission speed of vapor and indoor humidity to the insulation layer in the concrete. 

To use both vapor control layer and waterproof breathable membrane above the insulation layer, can dischargewater vapor effectively, protect thermal performance of the building envelope. So as to achieve sustainable energy-saving and to improve building durability.