Step 5: Fill Nail Holes, Sand and Seal

Use joint compound to fill the nail holes, and sand the filled areas smooth. Seal each seam with paintable caulk. Wait a couple of hours (or overnight) for everything to dry. Wipe down the wall with a damp towel to remove sanding dust and debris.
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    Tools List

    • miterbox with saw
      Handsaw or miter saw
    • brad nailer
      Brad nailer

    Shopping List

    1. ½-by-4-inch medium-density fiberboard (MDF) trim

    2. Panel adhesive

    3. Brad nails

    4. Joint compound

    5. Sandpaper

    6. Paintable caulk

    7. White paint