How To Remove Graffiti From Glass. Allow short dwell time of 10 to 60 seconds. Spray paint will take between 30 and 90 seconds.
Chicago glass remove this damage by chemically neutralising and removing the crust from the surface to reveal the acid etching in the glass, which is then polished out to leave a distortion free, smooth, clear surface. The best method for removing painted graffiti from glass is to use a razor blade to carefully scrape it off. This creates a much wider band of graffiti, sometimes coloured, which etches into the glass and forms a hard crust on the surface.
If the glass has any vinyl on it, then depending on how thick the spray paint in the window, you could use a scraper and gently loosen as much of the paint as possible and then use acetone or paint remover to wipe off the remainder with a cloth.
If you’re dealing with other marks, you can use any type of solvent. Polishing the glass, and sometimes a more agressive removal of this top surface can bring your glass back to a high luster with crystal clarity. A recent development in graffiti vandalism is acid etching on glass. In the past victims of this type of vandalism have fallen into 2 categories: