Set your walls free from tired, old wallpaper-the easy way-with Rust-Oleum Zinsser DIF liquid concentrate wallpaper stripper. This powerful, enzyme-based solution soaks in to easily break down tough wallpaper paste. Just add water and watch it work.Unique enzyme formulaPowerful concentrateGreat performanceRemoves residual pasteEconomical, just mix with warm waterEasy-to-apply by sprayer, roller or sponge