Use to strip most types of wallpaper: traditional paper wallpapers, vinyl coated papers, paper-backed vinyl wallpapers, solid vinyl wallpapers, foils, mylars, grasscloth, textiles and even painted wallpapers. Clings to vertical surfaces. Apply with sprayer or roller. Non-toxic. Mildly scented. One gallon will cover about 10 ft x 12 ft room with 8 ft ceiling (300 sq ft.) Coverage will vary with porosity of wallpaper and thickness of product application.