Removes most types of graffiti-spray paint, latex paint. Virtually eliminates the need to seal graffiti marks before printing. Gelled formula will cling to most surfaces. For Use ON: Stone, concrete, brick, metals, vinyl siding, glass, some factory baked auto finishes, fiberglass, wood, fully cured varnished and oil-based painted surfaces. May damage some plastics. 18oz.can will cover approximately 30 sq. ft.depending on porosity of the surface.