Non-pigmented waterproofer formulated for floor and wall surfaces is easy to clean and leaves a non-yellowing finish. Perfect for waterproofing interior and exterior concrete floors, poured concrete walls, split-faced block, concrete and cinder block, stone, brick, stucco, and pre-cast decorative items. Incorporates ISP CleanGuard, environmentally safe green biocides, to resist the growth of mildew on the dry paint film. Tested in accordance to requirements of ASTM D-7088 (American Society for Testing and Materials) Resistance to Hydrostatic Pressure at 4 psi (pounds per square inch) and ASTM D-6904 Resistance to Wind Driven Rain of 98 mph.