Expert Answers in Waterproofing
How do I install Mosaic Tiles to be Freeze Thaw Proof?
ANSWER - First you need to verify that your mosaic is frost proof/freeze thaw stable. If it is porcelain or vitreous clay tile it is possibly frost proof. If it is a stone mosaic then it…Read More
Vapor Barrier needed under Concrete Slab?
ANSWER - Yes, you always need a vapor retarder (barrier) per ASTM E1643. The vapor retarder should continue up the sides of the foundation to prevent lateral migration of moisture. Sometimes a sand bed can be…Read More