Timbermate Wood Filler is a water based interior grade wood filler containing no acrylic or latex, ensuring that your product application will not shrink, sink, crack or fall out. Can be used as a wood putty, grain filler , edge filler, crack filler and sanding sealer all in one Comes in 14 pre-mixed colours, but can be mixed with any stain or colourant to achieve the desired colour.