Ames Block Wall Liquid Rubber Membrane Basement Waterproofing Coating Block Wall Liquid Rubber is a waterproofing sealant for below grade walls and interior applications. It is impervious to water when applied in a uniform and seamless fashion with adequate millage. Nontoxic, low odor, radon blocker, VOC volatile organic compound free. It is heavy-duty, yet easily applied by brush, roller, or sprayer. This product is formulated to resist fungus, mold, and mildew. The subterranean applications system will withstand up to 100 psi pounds per square inch water pressure. Potable water compliant. Cleans up easily with water. Shake or stir prior to use. Coverage 1 gal gallon per 100 sq ft square foot per coat. Size 5 gal, Material Liquid Rubber, Color White, Coverage 100 Sq. Ft. Per Gal., Pkg Qty 1, Package Type Pail