Functional characteristics of waterproof and breathable membrane

Waterproof breathable membrane (breathing paper) is a new type of polymer waterproof material. In terms of production technology, the technical requirements of waterproof and breathable membranes are much higher than those of general waterproof materials; at the same time, from the perspective of quality, waterproof and breathable membranes also have functional characteristics that other waterproof materials do not have.

Waterproof and breathable membranes are mainly used in steel and wooden structures in the construction field. The domestic market is rather chaotic. Most of the brands promoted through the Internet do not have the ability to produce waterproof and vapor-permeable membranes, but are fakes made of a simple combination of non-woven fabric and glue. Fake products. It is recommended to refer to the national standard design atlas 06J925-2 "Profiled steel plate, sandwich panel roof and wall construction (2)" for regular brands.