Wood is a natural material, and each piece is unique—often featuring knots, splinters, or cracks that can be challenging to repair. Knot Filler provides a fast, durable, and simple solution to fix such damage in a single application. Developed in collaboration with the wood industry, Knot Filler enables effective repair of knots, cracks, splinters, and other significant wood defects. It delivers strong, flexible, and long-lasting results on all types of wood surfaces, including floors, furniture, and windows. Ideal for both quick on-site repairs and continuous production processes.