Cutting the outside miter.
Photo: Kolin Smith

Step 6: Cut the outside miter

Mount a piece of crown in the saw (upside down as before), leaving the blade set to the angle used to cut the test scrap. This is the angle you'll use to cut the outside corner.

Because the molding is upside down, if the saw blade is swung to the right, you will be cutting the right-half piece of the joint and you'll need to cut off the right end of the workpiece. If the blade is swung to the left, cut off the left end of the workpiece to complete the left half of the joint.

Once you've cut the first piece, use the test scrap to adjust the blade in the opposite direction and cut the other half of the joint.

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    Tools List

    • miter saw
      Power Miter Saw,
      rents for $30 to $50 a day
    • coping saw
      Coping Saw,
      for shaping inside corners
    • chalk line
      Chalk Line,
      to creat a reference line on a wall with an uneven ceiling
    • hot glue gun
      Hot-Melt Glue Gun,
      to glue a temporary fence to the saw
    • rasp
      for smoothing coped joints
    • drill
      to predrill nail holes where molding is prone to split
    • hammer
      Hammer and Nailset,
      or rent a pneumatic nail gun and compressor for $30 to $40 a day

    Shopping List

    1. Crown molding

    To get the number of linear feet you need, measure the perimeter of the room, then add 15 to 20 percent for cut-off waste and errors

    2. 4d finish nails

    3. 6d or 8d finish nails

    4. Polyurethane glue

    (or yellow carpenter's glue, which cleans up more easily but isn't as strong on the end grain of a miter cut)

    5. Wood putty

    6. Paint or stain