The Frost King Mortite B2WT Caulking Cord in woodtone is indeed paintable. This versatile cord serves multiple purposes, including sealing windows, acting as a gasket material, sound deadener, insect barrier, and crack filler. It adheres to wood, cement, metal, plastic, and glass. Simply press it in place—no caulking gun needed! It effectively fills gaps up to 1/4 inch wide. Feel free to use it confidently for your painting