Make highly durable, same day repairs to damaged and rotted wood with Bondo Wood Filler. Bondo Wood filler enables you to quickly fix doors, windows, fences, wood trim and more.Bondo Wood Filler is a permanent, fully paintable repair material for a broad range of projects inside and outside the home. Ideal for almost any wood surface, the two-part wood filler forms a permanent bond and will not shrink. It cures fast – in as little as 15 minutes it can be easily sanded by hand or power tools. Bondo Wood Filler is suitable for staining or painting in only 25 minutes.