Some houses are built over a crawl space. If you don’t do things just right in these situations, the air in your house might just remind you of your teenager’s dirty socks. For years, builders ...

In the United States, a homeowner can expect to spend several thousand dollars on repairing the damage caused by crawl space moisture. The more extensive the moisture damage, the more expensive ...

Years ago, when few homes had insulation in their outside walls, no one worried about vapor barriers–there was no need for them. But now homes are better insulated, making it necessary to ins… ...

Select a vapor retarder with meets ASTM E1745 standards for underslab installation. These films are extremely durable and, if carefully installed, should eliminate any floor moisture problems.

Question: Our builder says he is very energy-conscious and recommends wrapping the outside of our new home with a vapor barrier. We live in a very hot climate and want to cut down on our air ...

Crawl space vapor barriers are constructed from 6 mil or thicker polyethylene sheeting. The material is available in rolls at lumberyards and home centers. Installation is pretty straightforward.

Installing a crawl space vapor barrier is a relatively straightforward proposition. It amounts to placing 6 millimeters or thicker polyethylene sheeting and sealing the seams.

Install a high-quality underslab vapor retarder, not just the cheapest poly film you can find at a home center store. This common film used in walls may not hold up well in an underslab installation.

Vapor barriers manage water vapor movement into a building, reduce the risk of floor-sweating, control radon gas exposure, and ensure the successful application of moisture sensitive floor finishes.