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… ...

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 ...

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.

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 ...

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.

Over the last decade or so, manufacturers have come out with liquid-applied weather barriers. These barriers prevent the passage of air and liquid water and, depending on the formula chosen, they can ...

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.

Dear Pat: I am having a house built partially on a slab and on a crawl space. Is it necessary to install a vapor barrier under the concrete, and is ...

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.

Q. I live in Schaumburg and plan to reside my house this summer. The house was built in 1985 with 2-by-6 exterior walls. There is plywood on the exterior corners and Celotex sheathing covered wit ...