installing border on a vaulted ceiling people are often puzzled on how to properly transition from a standard wall to a vaulted ceiling while installing wall paper border follow this procedure and you will end up with a professional look start by installing the border on the standard wall as you would on any standard wall when you come to the end of the standard wall continue past the wall where it transitions to the vaulted ceiling at least the measured height of the border and use your blade to cut to install the border on the vaulted ceiling angled section start by placing the border at the bottom of the overlapping piece that was just cut from the standard wall section and cross over it continuing the length of the vaulted ceiling section take your blade and cut from the inside intersection to the outside intersection of where the two borders meet remove the remaining cut piece of border from the vaulted ceiling section then lift the border from the vaulted section to remove the cut piece from the standard wall border smooth the vaulted border back into place then clean with a damp rag to remove any residue you now have a professional-looking border