DAP Concrete and Mortar Filler & Sealant is a ready-to-use, waterproof sealant formulated to repair cracks and holes in concrete, mortar and masonry surfaces. Formulated with silicone additives for improved adhesion, flexibility and water resistance. The liquid cement forms a durable, 100% waterproof and weatherproof seal that is paintable. Completed concrete repair is resistant to gas, oil, grease and salt. This concrete crack filler is easy to apply, low in odor and cleans up easily with water. Cement formula is VOC compliant and can be used on exterior and interior applications. Cured sealant is mold and mildew resistant. DAP caulk and sealants provide durable performance for a variety of projects. Color: Gray.