How to Repair and Fill Drywall Nail Holes and Cracks

Drywall damage is the most forgiving repair in your house. A nail hole from a picture frame, a crack from settling, or a ding from moving furniture—these are all fixable in an afternoon with basic tools and materials you can grab at any hardware store. The trick isn't technique so much as patience: you're building up thin layers, sanding between each one, until the damage disappears completely. Done right, the wall looks untouched. Done fast and loose, you'll see the repair every time you walk by. The difference is just time and one extra coat.

1. Inspect and Clean the Damage. Look at the hole or crack in natural light. For nail holes, note the depth—shallow holes need one coat, deep ones need two. For cracks, run your finger along the edge and scrape away any loose drywall with a putty knife. If the crack is wider than a quarter-inch, you'll need to fill it in stages. Vacuum or wipe away dust so the filler has something to grip.
2. Press Filler Into the Damage. For nail holes, use lightweight spackling paste—it dries faster and sands easier than joint compound. Load a 2-inch putty knife with filler and press it firmly into the hole, slightly overfilling it. For cracks, use joint compound and apply it with a 4-6 inch knife, feathering the edges outward so it blends with the wall. The thinner you spread it, the less sanding you'll do later.
3. Wait for Complete Hardening. Spackling paste typically dries in 1-2 hours depending on humidity. Joint compound takes longer—check the package, but plan on 4-8 hours or overnight. Don't sand or recoat until it's fully hardened. A wet coat will gunk up your sandpaper and undo your work.
4. Smooth the Surface Flush. Use 120-grit sandpaper on a sanding block or pole sander, moving in circular motions. Sand until the filler is flush with the wall surface and the feathered edges blend seamlessly. Don't oversand or you'll cut through to the drywall paper. Wipe away all dust with a damp cloth and let it dry.
5. Apply Thinner Second Coat. If the hole or crack is still visible after the first coat, apply a second, thinner layer of filler. For large cracks, a second coat is standard. Feather it even wider than the first coat so it tapers gradually into the wall. This coat should be barely thicker than a credit card.
6. Sand and Verify Invisibility. Once the second coat is dry, sand it lightly with 150-grit paper. The goal is just to feather any rough edges—you're not trying to reshape anything. Hold your work light at a low angle and inspect the repair. If you see the shadow of the damage, you need one more coat. If it's invisible, you're done sanding.
7. Prime Then Paint the Repair. The filler absorbs paint differently than drywall, so prime it first with a stain-blocking primer. Use a small brush and feather the primer slightly beyond the repair so it blends in. Once dry, apply your wall paint with a small roller or brush, feathering outward again. You may need two coats of paint for color matching.
8. Confirm the Repair Vanishes. Walk away from the wall and look at your work from across the room in normal light. The repair should be invisible. If you see it, the most common reason is feathering—the repair is too sharp or too dark. This happens when you didn't blend the edges well enough or the paint color didn't match. Both are easy fixes: sand lightly and reapply primer and paint, feathering wider.