Economical, heavy-duty, Portland cement-base coating to seal and protect concrete, masonry, brick, stone and stucco. Apply to wet or dry walls. Breathable coating so no moisture becomes trapped behind the surface. Holds back 12 PSI water pressure. Heavy duty formula. Can be used as an exterior, below grade foundation sealer on concrete block or poured concrete, prior to applying asphaltic-base coatings. Also for sealing and beautifying basement & garage walls, retaining & sea walls; Safe for coating the inside of cisterns for drinking water.