Zinsser DIF Fast Acting Wallpaper Stripper is a ready to use solution for outdated wallpaper or wallcoverings that need to be removed and updated. Non-toxic formula is safe and powerful enough to penetrate the most difficult applications. Allow DIF Fast Acting Wallpaper Stripper to sit for 5-10 minutes and scrape off loose wallpaper. Ultra-powerful, enzyme-based gel clings to the wall, stays wet and does work while you waitEasy to apply by spray, brush or roll for powerful removal of wallpapers and adhesivesLow odor, ready-to-use solution loosens nearly all types of wallcoverings without the use of caustic chemicalsEffectively remove 75 square feet of wallpaper per 32 oz. spray bottle