Traditionally, vapor retarders are more frequently used below ordinary on-ground floor slabs than vapor barriers ... Should concrete be cast on a granular base placed over the vapor retarder ...

Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture ...

VaporBlock G is an under-concrete-slab vapor barrier produced with a layer of post-consumer recycled content, qualifying under the LEED Building Design and Construction 2009 Edition, Materials and ...