A solvent-free, air dried, multi purpose stopper and filler for small holes and grain filling. For interior and exterior use on both hard and soft woods. Ideal for filling small imperfections up to a maximum depth of 5mm, as well as sealing nail holes, cracks and gaps. Once dry, this pine wood filler leaves a sandable surface that can be stained, painted or varnished. It is waterproof, making it great for use outdoors as well as inside. This premium, joiners-grade wood filler is water-based, non-flammable and low-odour. It comes ready to use with no mixing required, and your surface will be sandable in 30 minutes. Suitable for staining, painting or varnishing. Water-based formula is non-flammable and low-odour.