And also: rollers, stationery knife, adhesive container, staircase, feet. According to the instructions, dilute the glue. Make a marking on the ceiling with a pencil, and then measure a strip of wallpaper. On the back of the wallpaper using a roller, apply glue. Then apply glue to the surface of the ceiling. After that you can safely glue the wallpaper. The main thing is that the first strip of wallpaper falls smoothly. If it skewed, then all subsequent strips of wallpaper will lie uneven. After sticking a strip of wallpaper with a roller, remove all the bubbles on the ceiling. Each next wallpaper, glue the previous canvas. After you pour the entire ceiling with wallpaper using an office knife, remove all the extra protruding edges.