Woodpol Wood Filler is water based filler / putty which is water thinnable, non-flammable, non-toxics and serve purpose as grain filler, crack filler, hole filler, edge filler, knot filler and sanding sealer hence first choice of wood workers. As hole and knot filler it can be apply as such. For crack, edge, grain filling and as sanding sealer, it can be mix with 25 to 50 % with water. Please ensure 24 hours or more thorough drying for heavy filling. Two to three coats are recommended instead of one heavy coat for thorough drying. Available in shades teak, pine, walnut, white and natural which is inter-mixable to create your own shades