Peel the wallpaper border with soft metal or plastic scraper, and not tools like strong metal scrapers or filling knives, which may result in unwanted scratches on the wall. If the Wallpaper border material is fibrous, like paper, you can use a garden sprayer to drench it with the chemical remover, and then remove the remaining residue. Use a wallpaper steamer to reactivate the paste. You can then easily scrape of the paper.
