For the most demanding conditions. For interior, exterior, above or below grade masonry walls, basement walls, retaining walls, foundations, landscape walls, cinder blocks, concrete blocks, bare concrete swimming pools, stucco and brick. Formulated to resist mildew growth on the paint film. Stops 12 psi. Passes ASTM D-7088 Resistance to Hydrostatic pressure and ASTM D-6904 resistance to wind driven rain. On rough, porous masonry, apply at the rate of 75 sq. ft. per gallon for the first coat and up to 125sq. ft. per gallon for succeeding coats. On dense, smooth surfaces, apply at the rate of 100-125 sq. ft. per gallon for the first coat and up to 125 sq. ft. per gallon for succeeding coats.