Walls accumulate damage faster than most homeowners expect. Between picture hangings, furniture bumps, settling cracks, pets, and kids, there’s always something that needs fixing. Fortunately, wall repair is one of the easiest DIY tasks. And, once you've done a few patches, you'll wonder why you ever put it off. Below, we'll cover the techniques for tackling holes, cracks, and damaged corners like a pro. Need tools, supplies, or advice? The team at Magnolia Hardware & Supply is here to help.

Assessing the Damage

Before grabbing the spackle, take a moment to evaluate what you're working with. Wall damage generally falls into a few categories, and each calls for a different approach:

Small holes: Nail holes, screw holes, and minor dents. These are quick fixes with lightweight filler and a small putty knife.

Medium holes: Doorknob dents, anchor holes, and damage up to a few inches across. These often need a patch or backing to support them.

Large holes: Fist-sized and bigger. These require cutting out the damaged area and installing new drywall.

Cracks: Hairline cracks from settling, seam cracks along drywall joints, and corner cracks. Treatment depends on severity and cause.

Damaged corners: Outside corners are prone to dents and crushed corner bead; they often look worse than they are to repair.

Repairing Small Holes

For nail holes, screw holes, and minor dings, lightweight spackle or pre-mixed filler is all you need. Apply a small amount with a putty knife, pressing it into the hole and scraping flush with the surface. Let it dry completely; most lightweight fillers dry quickly, but deeper fills may take longer. Once dry, sand lightly with fine-grit sandpaper until smooth. For deeper holes, apply in thin layers and let each coat dry before adding the next.

Repairing Medium Holes

Holes between one and five inches (2.5 cm and 13 cm) in diameter need backing to support the repair. Self-adhesive mesh patches are the easiest solution for most medium holes; simply stick the patch over the hole and apply joint compound over it in thin layers, feathering the edges outward with each coat.

For a stronger repair, use the "butterfly patch" method: cut a piece of drywall slightly larger than the hole, score and snap off the edges to leave a paper flap, then glue and embed the patch into the opening with compound. This creates a solid backing and a clean surface for finishing.

Repairing Large Holes

For holes larger than five inches (13 cm), the best approach is to cut a quadrilateral just larger than the damage and install a new piece of drywall in its place. Depending on the location and size, you’ll need to cut and install wood backing (either furring strips or a scrap piece) behind the opening. Once you’ve secured the drywall to the backing, tape the seams with paper or mesh tape, and apply joint compound in thin layers. Be sure to feather out each consecutive pass of compound to avoid creating a hump in the wall. Sand between coats and prime before painting.

Fixing Cracks

You can often fill hairline cracks from minor settling with flexible filler or paintable caulk. These products move slightly with the wall and resist re-cracking. This approach is best for cracked inside corners.

For larger cracks and cracks along drywall joints, refasten the area with short drywall screws to prevent future cracking, then scrape out any flaking compound from the crack and apply joint tape and compound. Use the same edge-feathering technique as above with each coat.

Corner Repairs

Outside, drywall corners are protected by metal or paper-faced corner bead. Even though this product helps limit drywall damage, the beads themselves can still be damaged. The fix is usually simpler than it appears.

For minor dents, you can often tap the bead back into shape with a hammer and fill the damaged area with compound. For more severe damage, cut out the affected section of bead with a hacksaw, oscillating tool, or tin snips, install a new piece, and cover with compound.

When finishing corners, apply compound to both sides of the bead, then use a corner knife or make two passes with a flat knife to create clean, even edges. Feather outward and sand lightly between coats.

Tools and Materials You'll Need for Corner Repairs

• Putty knives: 1.5" knife for small fills and a 6" or wider knife for feathering. A 10" or 12" knife helps blend large patches.

• A drywall hawk or mud pan: A hawk is a flat platform with a handle for holding compound while you work; a mud pan is a trough-style alternative that's easier to scrape your knife against. Either keeps you clean and the compound accessible for use.

• Sandpaper or sanding sponges: 120 to 150-grit for between coats, 220-grit for final smoothing. Sanding sponges work well for corners.

• Fillers and compounds: Lightweight spackle for small holes, setting-type compound for larger repairs that require strength, and pre-mixed compound for general finishing.

• Joint Tape: Paper tape for flat seams and inside corners, mesh tape for quick patches.

• Primer: Always prime repaired areas before painting. Unprimed patches absorb paint differently and will show through the topcoat.

One Pro Tip

Match the texture! If your walls have texture (orange peel, knockdown, etc.), you'll need to replicate it on the patch. Practice on cardboard first, and use spray-can texture products or a brush and thinned compound, depending on the pattern.

Patch It Right

Wall repair is one of those skills that pays off immediately; you’ll no longer need to stare at that dent every time you walk by, and you’ll have a much better canvas when it comes time to paint. Just remember to take your time with surface prep and compound application, and let things dry between coats; you'll end up with repairs that you’ll forget were ever there.