Versatile: This premium interior/exterior paint is used to waterproof and seal porous concrete and masonry surfaces inside and outside the house. High quality: Using nanotechnology, this paint forms a barrier that helps stop water penetration, while the alkali-resistant coating provides a long-lasting, durable and decorative finish. Easy to use: Fill all holes/cracks with hydraulic cement before painting. For best results, at least two coats of this product are required. The paint dries within one hour and can be repainted within four hours depending on the humidity. Date First Available July 9, 2024