Watertite, Gallon, Latex Mold & Mildew Proof Waterproofing Paint, Revolutionary New Latex Formula That Provides A Smooth, Non-Gritty Waterproof Coating, It Offers Mold & Mildew Proof Protection On The Paint Film Guaranteed For Up To 10 Years, The Bright White, Non-Yellowing Finish May Be Used Interior Above Or Below Grade & Exterior Above Grade On All Masonry Surfaces, Provides A 15 Year Waterproofing Guarantee, Resists 20 PSI Water Pressure, Nationally VOC Compliant.