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 ...

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 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 ...

When building a house, two main types of foundations are used: slab-on-grade or below-grade foundations with a basement slab. Climate, including high water tables, frost lines, harsh winters, 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 ...

Q: I’m putting ceramic tile flooring in my kitchen and live on a 10-year-old, ground-level concrete slab. Do I need to put any type of underlayment or vapor barrier underneath it? A: It’s perfectly ...

Question: I plan to build a storage shed. Actually, I’m building two sheds, as my wife wants her own cute garden shed. I’m not able to get much help for these projects and am wondering what to do ...

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 ...

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 going to build a storage shed. Actually, I’m building two sheds, as my wife wants her own cute garden shed. I’m wondering what to do about the floor of each shed. I want them to be waterproof, ...