Do I Need to Put a Vapor Barrier Down Below My Concrete Slab?

Do I Need to Put a Vapor Barrier Down Below My Concrete Slab?

A few months ago, I was sitting in a project meeting that included the owner, general contractor, and the design team. The owner asked the question “Do we need to put a vapor barrier down below the slab?” The contractor immediately said he is not making that decision because he does not want to be liable for the outcome. The presence, or lack thereof, of a vapor barrier has both advantages and disadvantages.

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ABOUT ADS

Allegheny Design Services is a Structural Engineering Firm based in North Central West Virginia. Working closely with Architects, Contractors, and Owners, ADS provides simple solutions to complex design issues while keeping the integrity of the Architect’s vision intact.

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