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How does the "smart" technology in the MemBrain vapor retarder adapt to different humidity levels?

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DK Hardware 2026-09-30 - 18:01:52
Technical Team

The CertainTeed MemBrain Smart Vapor Retarder increases its permeability in summer when humidity is high, allowing moisture to escape from wall cavities while maintaining air tightness. In winter, when humidity is low, it continues to block moisture effectively.

Product Details

Air Barrier and Smart Vapor Retarder MemBrain 8 ft. W X 50 ft. L Roll 416.5 sq ft
902018CertainTeed 902018 Air Barrier and Smart Vapor Retarder MemBrain 8 ft. W X 50 ft. L Roll 416.5 sq ft
$129.35/Package

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