Step 5: Add head casing

Tom Silva trimming out a window «»
Hold a length of casing across the top of the window and mark where it meets the inside edge of each side casing. With a miter saw, make square crosscuts at those marks.

Glue the head casing to the head jamb, making sure its bottom edge lines up with the reveal line.
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    More in House Exterior

    Tools List

    Close
    • finish hammer
      20-ounce finish hammer
    • hand plane
      Hand plane,
      for trimming jamb extensions
    • 16-foot tape measure
      Measuring tape
    • router
      Router,
      for making stool profile
    • random orbit sander
      Random-orbit sander,
      or hand sanding block
    • jigsaw
      Jigsaw,
      for notching stool and profiling apron
    • pneumatic finish nailer
      Pneumatic nailer,
      for attaching casing
    • pencil compass
      Compass,
      for transferring marks and reveal lines
    • table saw
      Table saw,
      for cutting rabbet in bottom of stool
    • try square
      Square,
      for marking casing, stool, and apron
    • utility knife
      Utility knife or chisel,
      for trimming drywall and adjusting fit of stool
    • miter saw
      Miter saw,
      for crosscutting trim pieces to length
    • nailset
      Nail set (to recess heads of hand-driven nails
    • drill
      Drill with 1/16-inch-diameter bit,
      for making pilot holes before hand nailing

    Shopping List

    Close
    1. WOOD MOLDING

    2. CARPENTER'S GLUE

    3. PENCIL

    4. PAINT OR STAIN

    5. 120-GRIT SANDPAPER

    6. WOOD PUTTY

    7. 4D AND 8D FINISHING NAILS