ADHESIVE BONDS FLOORING Designed for bonding wood flooring, tile and stone to subfloor and vertical surfaces, DUROCK flooring adhesive from USG’s tile and flooring division offers superior bond strength and good troweling properties. It contains no solvents or VOCs and does not offgas. The product has a 20- to 30-minute working time before it starts to cure and relies on humidity and ambient temperatures for curing. (800) 874-4968 /