If flooring is built above areas that could be prone to moisture, think about installing a vapor barrier, otherwise known as a moisture barrier or vapor retarder, to provide extra protection.

For example, when insulating crawl spaces, a vapor barrier is installed directly on the ground to keep moisture from rising into the air and causing issues in the flooring and foundation above.’ ...

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 ...

Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture-related damage. The answer, however, isn’t one-size-fits-all.