Ronseal High Performance Wood Filler is a versatile two-part, resin-based system for both interior and exterior use. It effectively rebuilds rotten wood and fills deep holes. This durable formula dries within 30 minutes, ensuring quick completion of tasks. Once cured, it is tough, will not shrink or crack, and provides a long-lasting repair. The filler can be drilled, screwed, nailed, planed, or sanded, making it highly adaptable for various projects. It is also suitable for overcoating with paint, stain, or varnish to achieve a professional finish.