Quiz: What is the purpose of sanding sealer in woodworking project January 27, 2025 by Sander Johnson What is the purpose of sanding sealer in woodworking projects? Discover more about Sanders and Sanding at our home page. A) To darken the color of the wood B) To prevent moisture from penetrating the wood C) To provide a smooth surface for final finishing D) To prevent insects from damaging the wood Submit Answer