Steamtec Graffiti is a portable steam generator with a diesel fuel boiler, allowing graffiti and dirt removal in general, thanks to revolutionary system using steam/sand and steam/detergent mashed together. To remove all types of graffiti away from walls, buildings, floors. To restore and clean statues/monuments. Sandblasting walls and railings. Clean and sand blasting terracotta tiles, roofing tiles and wood. Pickle machinery and surfaces thanks to a combined use of detergent. Unlimited autonomy: thanks to no-stop water tank refiling.