I own a property management company and my power washer has said that he can't or won't get gum or what I think is gum , black and hard , it is about 1' in diameter and is very hard to scrape, off of the sidewalks of one of the buildings that I manage. The build-up is getting noticable. Price is not an issue they can afford what ever and just want it gone.
Are there any good ways to handle this?????
Are there any good ways to handle this?????