DAP® Concrete and Mortar Filler and Sealant is a premium-grade, siliconized latex sealant specifically formulated to quickly repair cracks in concrete and masonry. Contains silicone for improved adhesion and water resistance to effectively keep out air and moisture. Forms a weather-resistant, watertight seal that helps prevent water and ice damage. Resists cracking and crumbling. Dries to a light color similar to new concrete and blends in with most types of masonry surfaces. Safe, latex-based, water clean-up formula.