Bostik Heavy Duty Construction Adhesive (HDCA) is a one-component premium grade polyurethane, that is specifically formulated for subfloor and floor joist assemblies, from site erected structures to factory constructed modular and mobile homes. Some applications for HDCA include bonding to wet, frozen, or treated lumber and adhesion to sub floor assemblies (plywood, OSB, engineered flooring), stair treads, furring strips, and in tile board components. This professional grade caulking glue may eliminate squeaks and nail pop-ups when used in conjunction with mechanical fasteners. HDCA is also used in assembly of dryscape designs, and the installation of countertops and back splashes including marble and granite. This adhesive has minimal odor, offers a long open time for repositioning (up to 45 minutes), has a quick full cure and is easy to gun, requiring less effort from user. It is a low solvent formula, will not damage foam, and is suitable for multi-enviromental climate use. Best of all, it is MADE IN THE USA!