GATOR BLOCK BOND ADHESIVE is one of the strongest polyurethane adhesives on the market. It is especially formulated for bonding concrete, natural stones, blocks, bricks and pavers. GATOR BLOCK BOND ADHESIVE is intended to provide a permanent bond to approved materials such as artificial turf. GATOR BLOCK BOND ADHESIVE can be used on dry or humid surfaces. Drying times vary depending on factors such as humidity, porosity, temperature and materials bonded together.