Damtite Waterproofing 02451 Foundation Waterproofer 45Lb Gray"Damtite Waterproofing" Foundation Waterproofer Color : Gray Size Lb. 45 Portland cement based specially formulated to form a hard impervious surface that waterproofs, seals and protects below grade exterior walls constructed of concrete, stone or masonry Use for coating drinking water holding tanks or cisterns, birdbaths, fountains, crawl spaces, exterior above grade or interior basement and garage walls Can be applied to damp walls It also reduces