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 ...

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 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 ...

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 ...

Most building materials are permeable to moisture. Increasingly, buildings are being built more tightly, which adds to the need for moisture control. Porous materials that become saturated with ...

Dear James: I need an extra bedroom for my kids. It will be built on a slab and utilize floor radiant heating. I would like to install hardwood flooring over it. Is this OK over a heated slab? - ...

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.