DAP Plastic Wood Professional Wood Filler is a high-performance, solvent-based wood filler that hardens to give a repair that is 3 x stronger than the wood itself. This heavy-duty wood filler contains real wood products 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.