About the vapor transmission rate of house wrap

The vapor transmission rate of house wrap is determined by the material of the film,the effective breathable area and the pressure.Different models and brands have different quality.

The vapor transmission rate of ordinary house wrap is tested by instrument.PANZHU house wrap is tested by professional instrument.Different waterproof grades need different instruments.If the sealing effect needs to be tested,a tightness instrument is also required.

house wrap

A high quality house wrap has high vapor transmission rate,the vapor transmission rate is generally more than 1500g/m².24h.


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