82085 MASONRY LATEX WATERPROOFING VALSPAR | Valspar masonry waterproofer is fortified with new, heavy-duty resin technology to provide maximum adhesion while protecting your concrete and masonry surfaces with a watertight barrier assured to stop water. This advanced, low odor formula is ideal for basements. Use on properly prepared interior and exterior masonry walls and foundations, basements, cinder block, brick and poured concrete. If used outdoors, this product must be top coated with a high quality exterior latex house paint.