DAP AMP Gray Polymer Advanced Hybrid Self-Leveling Sealant 9 oz

DAP AMP Advanced Modified Polymer self-leveling concrete and masonry sealant provides a 100 percent waterproof seal with the ability to be applied on wet and damp surfaces. It has a fast 1-hour paint and rain-ready time and meets ASTM C920, Class 25. For use on horizontal surfaces only.