Step 2: Prep for skylight install

saw out the rafter from the center of the opening
Photo: John Nasta
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Carefully remove the insulation, then use a reciprocating saw to cut out the top plate of the knee wall. Also saw out the rafter from the center of the opening; cut it flush with the bottom, but leave it long at the top.
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    More in House Exterior

    Tools List

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    • 16-foot tape measure
      Tape measure
    • hammer
      Hammer
    • drill
      Drill-driver
    • drywall saw
      Drywall saw
    • reciprocating saw
      Reciprocating saw
    • drywall knife
      Drywall knife

    Shopping List

    Close
    1. Venting skylight with flashing kit

    2. 2x4s
    used to reframe sill

    3. 2x12
    used to form a header over the skylight

    4. 15-pound roofing felt

    5. Drywall
    used to cover the interior surfaces around the skylight

    6. Corner bead
    used to protect the drywall corners

    7. Joint compound

    8. Drywall tape

    9. 1 1/2-inch drywall nails
    used to attach corner bead

    10. 1/2-inch plywood
    used to create viewing shelf

    11. Primer and paint