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 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 ...

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

Q: I would appreciate your opinion on whether I should hire a company to line the crawl space of my house. It's about 2,400 square feet, and I suspect the work would be pretty pricey. Is it worth it?

Air barriers have been used in many different ways throughout the years, and they’re becoming particularly relevant as energy code requirements evolve. But many questions have surrounded the use of ...

The concrete slab can be thought of as the wearing cap for the building pad and base course. A well compacted and smooth subgrade is critical to a successful slab. Slab formwork, jointing details, ...