We cover all aspects of wallpaper hanging from pepping the wall through papering the light-switch covers. The variety of wall treatments offered through wall coverings is tremendous, so you will be able to create just the look that you are after. “Work patiently and steadily, and you'll get tight seams and a professional look.” This is also the case with wallpaper hanging. So, before you start your wallpapering project, here's some wallpapering tips and tricks to help you with your project. 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. How to hang the first length of wallpaper It makes sense to take your time when hanging wallpaper. Planning your wallpaper project is one of the most important things you will do.