Product Description Catalyst to be used with Ronseal High Performance Wood Filler. Ideal to repair any wood, inside or out. It fills to any depth and is dry in just 30 minutes. This filler has superior adhesive qualities, which will last for years even when exposed to harsh weather conditions. For use inside or outside For use with Ronseal High Performance Wood Filler Fill to any depth Hardens in just 30 minutes Can be drilled, screwed or planed.