Yes, wallpaper can be used on a plaster wall. It is important to ensure that the plaster is in good condition and any cracks or holes are repaired before installing the wallpaper. A primer should also be applied to the plaster before hanging the wallpaper to improve adhesion. Additionally, it is recommended to choose a wallpaper that is compatible with plaster walls and to follow the manufacturer's instructions for installation.

Learn more how to use a removable wallpaper to decorate a small room in our blog: 8 ways how to decorate a small room with removable wallpaper