Hanging wallpaper can make a big impact on your room depending on the colour and the design. We can help you through the entire wallpapering process with these easy-to-follow tips and How-To's Learn the basics of wallpapering including planning, installation, and wallpaper removal. At one time wallpaper and paste were separate. As walls and corners aren't often straight, don't rely on them as a guide when you hang paper. The angled cut will allow the wallpaper to fit around the corner and all you need to do is smooth the paper then trim it flush against the frame. Strippable wallpaper is more easily peeled off, but still leaves a thin layer of backing that should be removed properly before installing new wall coverings. Dee's advice to novice wallpaper hangers: begin with small, easy-to-match patterns. Next make a diagonal cut a biter cut at 45° in your wallpaper at the corner of your door or window.