DRYLOK Off-white Flat Mildew Resistant Waterproofer (Gallon)

A low-odor masonry waterproofing paint specially formulated to waterproof any interior, exterior, above or below grade masonry surface. Smoother finish than traditional waterproofer. Specially formulated to resist mildew growth on the dry paint film, with incorporation of a non-hazardous biocide. Stops 15 psi water pressure. Comes with a fully transferable 18 year warranty.