Multi purpose water based filler for repairing surface damage to wood purpose liberon wood filler is a water based multi purpose filler used to fill and repair surface damage in wood quick drying shrink and crack resistant flexible and stainable it is easily sanded and may be screwed and nailed the low odour easy to use wood filler is suitable for both interior and exterior use wood filler may be stained varnished waxed or painted when using outdoors protect with a suitable exterior grade finish