Used on the roof of the pavilion, stadiums, hospitals, factories, supermarkets, railway stations, bus stations and other large buildings, using breathable waterproof membrane can be moisture, compression, enhanced housing comfort. Water vapor permeability membranes in strengthening the building air tightness, water tightness while protecting insulation layer is dried while to do a second waterproof roof, walls, and its unique air permeability, water vapor can rapidly exhaust the internal structure, to avoid structure to breed mold, protecting property values​​, and the perfect solution to moisture shared with UN health problems.

Polyolefin ventilation mask wall using schematic