Vapor barriers are a crucial part of any moisture management system in a crawl space and are not difficult to install. If you ...

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 ...

Since laying down a vapor barrier doesn't entail sealing off all the air gaps, there's no need to install a humidifier — the ...