The barrier typically comes in the form of sheets of plastic or foil-backed fiberglass insulation and is used during insulation installation to block vapor transmission. In many cases, vapor ...

One way to lower the humidity in your crawl space is by installing vapor barriers, a thick plastic sheet often made from polyethylene that blocks ground moisture. If you have a dirt-floored crawl ...

Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture-related damage. The answer, however, isn’t one-size-fits-all.