The only recommended adhesive for use with Disc-O-Tile. May be used with other rubber stair treads, tile and flooring. Because of flame spread properties, other adhesives will not bond Disc-O-Tile to the floor. A two-part solvent-free adhesive; contains 1 can Part A 1 can Part B, and a stirring paddle. Covers approximately 150 square feet per unit. PLEASE NOTE ADHESIVE IS NOT RETURNABLE. See Specs.