Question: I am having a house built that is partially on a slab, part above a crawl space. Is it necessary to install a vapor barrier under the concrete, and is this something I can do myself to save ...

Improper use of vapor barriers is one of the leading causes of moisture-related issues in buildings today. Vapor barriers, or vapor retarders, are designed to prevent wall assemblies from getting wet.

The complete line of under-slab vapor barriers exceed the ACI 302 specification and have been tested for permeability using ASTM E 1745 standards. Retard moisture migration through concrete slabs and ...

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 ...

Q. I am building a new home. The floors of some of the finished living space will be concrete slabs poured directly on the soil. What is the best material to use to prevent water vapor from passing ...

Q: I read your column regularly even if the problem you discuss does not directly affect me. Your comments are always interesting. I'm writing you to ask if you know if it is possible to waterproof a ...

Q: I'm flummoxed. I've seen videos and read online articles about needing a vapor barrier in the walls of my home and possibly under concrete slabs. My builder says these things are a waste of money.

The National Wood Flooring Association recently invited me to attend its annual educational meeting in Charlotte, N.C. My topic was how to apply wood flooring over radiant floors without creating a ...