— Wrinkles and bubbles are visible on new wallpaper. There may be several reasons for the formation of wrinkles and bubbles. For example: the applied glue did not correspond to the thickness of the wallpaper. Swimming of the glued bands was carried out carelessly, or even the wallpaper did not have time to soften from the glue before they were applied to the wall. It is possible to eliminate the same type of marriage, also by only the complete re -pushing of the wallpaper in the room.