Use ProtéShield for sealing, waterproofing, winterizing, and protecting porous concrete. The formula protects against ultra-violet rays, ice, water, chlorinated water, saltwater, rain, acid rain, salts and other chlorides, rust, mold, fungus, chemicals, oil, fuel, stains and excessive temperatures. The product typically is applied with a 3/8-in. nap roller, brush, or pump or pressurized sprayer. NewLook International. 877-763-9566.