DAP® SMARTBOND™ 20oz Gun Grade Subfloor Construction Adhesive is a dynamic polyurethane adhesive foaming gel that is faster and easier to use than traditional cartridge adhesives. Jobs become more efficient as a single can of SMARTBOND™ provides 8X the coverage of cartridge adhesives, meaning you can do more with less. The unique technology applies as a foam and transforms by collapsing into a high-strength, fast-curing adhesive gel that bonds to wet, dry, frozen and treated lumber. Provides increased ease-of-use for labor-intensive framing. Reduces nailing, floor squeaks and nail pops. Excellent adhesion and gap bridging with a 20 minute open time. Interior/exterior use. For use in all 50 states.