The difference between house wrap and vapor barrier

The vapor barrier has a good waterproof effect and can enhance the water tightness of the building.However,the moisture in the building structure cannot be volatilized.The metal will rust for a long time.

The house wrap is an upgraded version of the vapor barrier.It can be effectively waterproof and can release of water vapor to prevent metal rust.

If house wrap and vapor membrane are used together,the wall of roof can obtain excellent water vapor isolation effect,and protect the thermal performance of the enclosure structure,thus achieving the purpose of energy conservation.


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