Drylok® 28913 Wetlook High Gloss Sealer, 1 Gallon, ClearThis product is a clear, non yellowing, water based acrylic coating formulated for use on interior or exterior masonry surfaces. Provides superior hardness and durability. Protects against efflorescence (white, powdery, salt like deposits) visible on the masonry. Built in flash rust resistance prevents orange staining of surface when applied to masonry containing natural metals. Excellent chemical resistance to de icing salts, gasoline, oil and