Mitering Border Corners

 
 
If you are making your wallpaper border into a frame around a door or window, you will need to deal with right angles. That means mitering your border so the corners look finished. The key is to get your border flat before you make your miter cuts so the cut ends meet perfectly.

WHAT YOU NEED FOR THIS JOB:

TOOLS:

MATERIALS:


Step 1

Apply the vertical border strips along the side casings Apply the horizontal border strips so that they run past the corners with an overlap greater than the border width. Apply the vertical border strips along the side casings, overlapping the top and bottom border strips.
  

Step 2

Remove and adjust the strip Check the position of the border strip to make sure any pattern details will not be misaligned by the diagonal cuts. Remove and adjust the strips as necessary.
  

Step 3

Using knife cut wallpaper from casing corner Holding a wallboard knife at a 45-degree angle from the casing corner, double-cut both wallpaper layers with a utility knife.
  

Step 4

Using knife cut wallpaper from casing corner Peel back the ends of the border and remove the cut pieces.
  

Step 5

Using knife cut wallpaper from casing corner Press the border back in place and let stand for half an hour. Lightly roll the seams then rinse the border with a damp sponge.