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How to Install a Vapor Barrier in a Crawlspace
Vapor barriers are a crucial part of any moisture management system in a crawl space and are not difficult to install. If you ...
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Should you keep crawl space vents open or closed? 'If you close unsealed ones without a dehumidifier, you're in trouble' – experts reveal how and when to close for less ...
If you have a vapor barrier installed, such as the Viper CS Crawl Space Class A Woven Reinforced Vapor Barrier from Insulation4US, which Saito recommends, it's one square foot of vent space for ...
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Part 7: Thermal and Moisture Protection
above eaves). This can be reduced to 1/300 if a vapor barrier is on warm side of attic insulation. Under-floor crawl space should have a net free vent area of 1 SF for each 150 SF of crawl space (or 1 ...