Wallpapering Around Doors and Windows Applying paste-the-wall wallpaper around doors and windows requires careful trimming for a neat appearance. Cut the wallpaper slightly larger than needed and smooth it onto the wall, pressing it into corners and edges. Then, use a sharp utility knife to trim excess paper along the frame. Unlike paste-the-paper wallpaper, which can become fragile ... https://www.arthouse.com/blogs/how-to/a-step-by-step-guide-of-how-to-hang-paste-the-wall-wallpaper