Latexite Foundation Coating #901 is an asphalt emulsion based general purpose damp-proofer designed for exterior use in above and below-grade applications. Latexite Foundation Coating is an advanced formula that contains polymer additives for long lasting strength and flexibility. #901 is asphalt based and contains a durable blend of rubber and reinforcing fibers to provide a strong, flexible, crack resistant, waterproof seal. Latexite Foundation Coating #901 has exceptional adhesion to masonry surfaces. Low odor and will not burn or support combustion in a liquid state. Product is black in color and we recommend using a roller to apply (You can use a 3 knot roofing brush as well). Application temperature must be within the minimum and maximum temperatures below for at least 24 hours