A high performance, solvent based wood filler that hardens to give a repair that is 3X stronger than the wood itself. This professional grade, heavy duty wood filler contains real wood fibers so it looks and acts like real wood. It can be sanded, cut, drilled, screwed, planed, stained, varnished, painted or lacquered. It provides strong nail and screw anchoring without splitting. DAP plastic Wood professional wood filler dries fast and hard, and is shrink and crack resistant. For use on furniture, doors, paneling, molding, plywood and other wood surfaces. For interior/exterior use.