Zinsser 270267 WaterTite-LX Latex Mold & Mildew Waterproofing Paint, 1-GallonStop water in its tracks with Rust Oleum Zinsser WATERTITE LX Mold and Mildew Proof Waterproofing Paint. This low odor, latex based formula resists up to 20 PSI of water pressure when applied to concrete or masonry indoors or out, above or below grade. Size: 1 Gallon Latex Base Mould and Mildew Proof Waterproofing Paint Guaranteed to stop water resists up to 20 lbs. of water pressure Very smooth, bright white, non gritty finish applies easily to dry