CARB (California Air Resource Board) compliant adhesive meets state of California air quality management new ordinance requirements. Low solvent, high-strength. Waterproof. Interior-exterior grade. For installing tongue-and-groove subflooring, wall paneling, roof sheathing, lap and sheet siding, plywood subflooring, and plastic lumber. Will bond to and remain elastic on any wood, concrete, steel, galvanized metals, and aluminum surfaces. Meets HUD-FHA No. UM-60, AFG-01 specifications (APA glued floor systems). Use on wet or frozen lumber. Not recommended for polystyrene foam. Extremely flammable. 1 year shelf life. Color: White.