... thixotropic, thick acrylic latex coating uniquelyformulated for the protection of sprayed-in place polyurethane foam, and other waterproofing ... pinholing or sagging. It also has excellent adhesion to a variety of other substrates, such as, primed wood, primed metal, ... direct work on the wet or humid, dry surface of stucco, cinder blocks, metope, mortars, mosonry, concrete roof, vertical surface ...