Sanded formula color-matched to TEC® AccuColor® grouts. Forms a tough, flexible, water and weather resistant seal on most building materials, protecting your installation from moisture, drafts and rot. Contains a special silicone additive to promote greater adhesion and longer life. Dries to a tack free finish in one hour. Paintable. All white and colored formulations meet ASTM C834 standards for exterior grade caulks. Suitable for interior and exterior use.