In recent years, what can now be considered a serious social phenomenon, that of “graffiti artists”, has become more acute. Particularly widespread in metropolitan areas, it is now experienced by those affected, and in any case by those who live in the city, as a serious threat to the public and private building heritage, as well as a damage to the civic image. The removal of graffiti, using equipment that works at low pressure and with a solution of calcium carbonate and magnesium, does not damage the treated support in any way, removing polyurethane paints, lacquers, oils, vinyl and acrylic resins on stone surfaces. and metallic. It is possible to use the instruments and products on buildings, on monuments or statues, on antiques and small objects, metal in granite, marble, stone, glass.