SB 2200 ALKA Strip removes multiple layers of latex paint, oil based paints and most graffiti from masonry in one application. This highly alkaline, biodegradable paste is blended with special wetting agents and surfactants that work slowly to strip each layer of paint to bring back masonry to its original appearance. SB 2200 can be used to remove paint and vine stains from brick, stone, concrete and metal (not aluminum) surfaces. After the paint has been removed, all surfaces must be neutralized with the approp