Mark it once you can do it without this page open.

How to do it

  1. Scrape away loose paper and crumbs around the hole with a utility knife so the edge is firm.
  2. For small holes, press lightweight patching compound in with a putty knife and scrape it flush.
  3. For holes up to a few inches, stick a mesh patch over the hole, then spread a thin coat of joint compound over it, wider than the patch.
  4. For bigger holes, cut the damage into a neat square, screw two wood strips inside the opening, and screw in a drywall piece cut to fit.
  5. Tape the seams of a larger patch, then cover with thin coats of joint compound, each a little wider than the last.
  6. Let each coat dry fully, then sand lightly with a fine sanding sponge until you cannot feel an edge.
  7. Prime the patch so it does not show through, then paint the whole wall section or at least to the nearest corner.

Common mistakes

  • Piling on one thick coat, which cracks and shrinks as it dries.
  • Sanding before the compound is completely dry.
  • Skipping primer, so the patch shows as a dull spot under the paint.
  • Dry sanding in an old home without testing the paint for lead first.

Quick self-check

Three questions. Your last score is kept in this browser.

1. What suits a doorknob-size hole?
2. Why feather each coat wider than the last?
3. Why prime before painting?

Teach this to someone

A one-page sheet for showing a friend, a roommate or a kid: what to say, what to show, and one question to check it landed.

Words on this page

Sources

  • National lead-safe renovation guidance for homeowners, current edition. Checked September 28, 2026.

Last reviewed . First published .