How To Wallpaper Inside Corners With Pattern. Add 12 to the largest measurement and cut the next strip of wallpaper lengthwise to that size. The first half should turn the corner by a quarter inch.
With the faceplace paper side down on a table trim the border down to 12 inch and cut off the corners. Then take a length of wallcovering and cut it so that it is about 13mm 12 wider than this measurement paste it and hang with the extra 13mm overlapping around the corner onto the next wall. The paper is overlapped both ways in the corner.
Use this easy wrap-and-overlap seam method to wallpaper interior corners.
First measure the distance from the edge of the last piece you hung to the corner. Use your brush to get the wallpaper paste into corners. Carefully press the overlap onto the. Hang the second strip in alignment with the chalk line.