Step 10: Prep to Paint

sand down the excess joint compound once it dries
Photo: Kolin Smith
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Joint compound is easy to sand, and once you go over the seams where molding meets molding, the joints will almost disappear.

After the joint compound dries completely, sand down the excess using 150-grit sandpaper.
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    Tools List

    • miterbox with saw
      Miter box with hand saw
    • putty knife
      6-inch and 1½-inch putty knives
    • rasp
      rasp or sanding block
    • hammer
      hammer
    • grout sponge
      sponge
    • angled sash paintbrush

    Shopping List

    1. Plaster-coated Foam Molding
    Get 10 percent more than you think you'll need, to accommodate offcut.

    2. Joint Compound
    Lightweight, easy-sanding premixed compound is best. A 1-gallon container will cover about 60 feet of molding.

    3. 8d Finishing Nails
    To support long runs of larger molding profiles as the compound dries. 4. 150-grit Sandpaper

    5. Painter's Tape

    6. Primer and Paint