Step 7: Installing an outside corner

installing an outside corner
Photo: David Carmack
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•If the other side of the corner will butt into an inside corner that does not require a coped end, first repeat the measuring and cutting sequence to complete the outside corner, making sure to rotate the saw blade to the opposite 45-degree angle. Then measure for and cut the butt end. Align the piece on the wall, spread glue on the surfaces of the miter, and nail the molding into place as in Step 2, fastening the corners together as you did on the mock-up.

•If the other side of the corner will butt into an inside corner that does require a coped end, repeat Steps 3-5 first, then complete the outside corner as above.

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    Tools List

    • miter saw
      Power miter saw with 10-inch carbide-tipped blade
    • drill
      Drill/driver,
      for drilling pilot holes for nails
    • 16-foot tape measure
      Tape measure
    • pneumatic finish nailer
      Pneumatic finishing nailer with 1½- to 2-inch finish nails,
      to fasten molding to wall
    • framing square
      Framing square,
      for laying out molding on walls and ceilings
    • chalk line
      Chalk line,
      for snapping installation lines on the wall
    • coping saw
      Coping saw,
      for coping molding at inside corners
    • utility knife
      Utility knife,
      for trimming coped joints
    • rasp
      Wood rasp,
      for fine-tuning coped joints
    • studfinder
      Electronic stud finder,
      for locating studs and joists
    • hammer
      Hammer

    Shopping List

    1. 4d, 6d, and 8d finish nails

    2. 1/16-inch drill bit

    3. Wood putty

    for filling nail holes



    4. Acrylic or other flexible caulk

    to seal gaps between molding and walls and ceiling



    5. Carpenter's glue

    for adhering outside corners and returns