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 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 ...

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.

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 ...

Q: Tim, 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 ...

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.

MicroLT is a high-performance, reflective foil radiant barrier and vapor retarder, designed to reflect radiant energy and retard moisture migration in a building. According to the manufacturer, the ...