If the reason is in the jet, you will have to remove the peeling wallpaper and re -coat them with glue. However, if parts of the wallpaper began to peel off, you can dilute the glue and just glue the wallpaper.
If the reason is in the jet, you will have to remove the peeling wallpaper and re -coat them with glue. However, if parts of the wallpaper began to peel off, you can dilute the glue and just glue the wallpaper.