Smartbond, 20 OZ, Contractor Sub Floor Polyurethane Adhesive Foaming Gel, For Interior & Exterior Applications, Bonds To Wet, Dry, Frozen & Treated Lumber, Provides 8 Times The Coverage Of Cartridge Adhesives, Applies As A Foam & Transforms Into A High Strength, Fast Curing Gel, Excellent Adhesion & Gap Bridging With A 20 Minute Open Time, Use With Smartbond Construction Adhesive Applicator Gun Model #48.