A Portland cement-based, waterproofing coating for sealing, protecting & decorating wall sand surfaces constructed of poured concrete, concrete, cinder block, masonry, stone, brick or stucco. Safe coating for sealing the inside of drinking water concrete tanks and cisterns. Eliminates dampness, resists mold, mildew & flaking, chalking while beautifying and sealing all pores & voids. Unlike ready-mix paints which can only be applied to dry surfaces, this product is made for use on wet or dry surfaces. It also reduces Radon gas infiltration. Wear protective gloves and goggles.