Dap 00042 Smartbond Subfloor Gun-Grade Construction Adhesive

Foam dispensing adhesive subfloor – gun grade interior/exterior size 20 ounces Applies as a foam and transforms by collapsing into a high-strength, fast-curing adhesive gel. Polyurethane formula provides a strong, durable and permanent bond to a wide range of building materials. Bonds to wet, dry, frozen and treated lumber. Reduces nailing, floor squeaks and nail pops. Reusable for up to 30 days. Bridges gaps and voids. Exceeds ASTM D3498 shear strength tests.