Step 9: Apply final coat

applying a final coat of joint compound to cover drywall patch seams
Photo: David Carmack
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The next day, when the compound is dry, put on another thin layer with a 12-inch taping knife. Smooth it at least 6 inches beyond the boundary of the previous coat. When this layer dries, sand with a fine silicon-carbide sandpaper, taking care not to expose the screen. When the sanding dust is wiped away, the wall will be ready to paint.
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    Tools List

    • drywall saw
      Drywall saw
    • drywall taping knife
      12-inch taping knife
    • six-inch taping knife
      6-inch taping knife
    • utility knife
      Utility knife
    • ratcheting screwdriver
      Screwdriver
    • sand paper
      Sander paper

    Shopping List

    1. WINDOW SCREENING

    2. DRYWALL

    3. JOINT COMPOUND

    4. SCREWS

    5. WOOD STRAPPING