seals out minor dried water stains and solvent sensitive stains like grease, lipstick, smoke, water, marker, pencil, etc. use on interiorL wood, hardboard, drywall, curedplaster previously painted surfaces, popcorn ceiling, paneling, pvc, piping and wall laminate use on exterior; galvanized metal, aluminum, wood, hardboard and previously painted surfaces dries to the touch in 30 minutes assures a uniform appearance of top coats water based white gallon
