Ronseal High Performance Wood Filler is a two part, resin based system suitable for both indoor and outdoor jobs. It provides a reliable solution for rebuilding rotten wood and filling deep holes. This formula dries within just 30 minutes, allowing you to quickly proceed with your work. It is tough, designed not to shrink or crack, ensuring durability for years. This versatile product can be drilled, screwed, nailed, planed, or sanded. It is also overcoatable with paint, stain, or varnish for a professional finish. It can be used with Ronseal Wet Rot Hardener when treating damage caused by wet rot.