KRUMBER METALIC 3D 4-layer highly-vapour permeable, waterproof and windproof membrane. Ideal for roof and walls protection along with thermal insulation against adverse weather conditions (wind, rain, snow, dust). The top is formed of braided of separation-drainage fibers mat, thanks to which wicking gap is created. Membrane regulates humidity level in the room giving its excess out. It reduces temperature reaching roof and noise. Membrane is an initial layer of roofing and flat sheet facades.