An approximately 2,000-year-old technology, concrete is used as a structural ... pre-formed extrusions and flashings, and air and vapor barriers. Primary chemistries utilized are Silicone ...

Vapor retarders are often called vapor barriers ... If the slab is being cast without walls, lay the vapor retarder over the edge forms. After the concrete has hardened, trim the excessive ...

Built partially or fully underground, foundation walls are surrounded by soil which can cause moisture to wick through the concrete floor ... or installing a vapor barrier on your walls and ...