crawl space vapor barrier 5

How thick is a good vapor barrier?

As a termite inspector in NJ I look for moisture problems that can set up conditions that  might make a termite infestation likely.

In Princeton, NJ I found this home that had a serious problem of mold forming. We were hired to come in and seal off the crawl space with a six mil polyethelyne vapor barrier. We sealed it against the foundation wall and installed rigid foam insulation around the perimeter.

This provided complete coverage against moisture.

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