CORRECTION: The original version of this article contained errors in referring to the thickness of vapor barriers, and the article has been updated. A "mil" is a unit of measurement equivalent to ...

Q: Since the summer of 2006 I have lived in a 1943 cape with cement floor in the basement. During the summer the 3-year-old wood flooring curls up from the moisture that seeps through the floor. The ...

Vinyl floors are notoriously durable and water-resistant, so do they really need a moisture barrier? The answer depends on ...

The placement of a water vapor retarder directly below concrete floor slabs on the ground has become common practice for buildings where floor coverings or coatings are to be installed. Such use has ...

Vapor retarders are sheet materials used below slab-on-ground floors to limit the amount of moisture that migrates into and upward through concrete slabs. If unchecked, moisture can cause floor ...

Gas and vapor barriers, also known as membranes, consist of materials or structures used to prevent gas and other vapors from penetrating a surface. A prominent use of such barriers is to place them ...

Vapor retarders play an important role in controlling water vapor flow and can be a major element in durable building enclosure design. (Note: Although there is some debate in the industry over ...