Decorates and waterproofs masonry walls. Prevents water penetration of masonry surfaces. Use interior, exterior, above or below grade masonry walls, cinder and concrete blocks, stucco, brick, field stone foundations, retaining walls, basements and foundations. Cleans up with warm, soapy water. Coverage depends on surface porosity. Each 35 lb. will cover 140-210 sq. ft. with the first coat, 210-280 sq. ft. with the second coat.