- Scrape away any loose plaster around the hole. Chipped or loose plaster will prevent the patch from adhering to the wall properly.
- Widen the hole to about 1/8 inch, using a utility knife or a large tool. This gives the patch better footing to adhere to the wall.
- Blow away the plaster dust.
- Fill the hole with patching plaster or spackle compound, using a putty knife.
- Allow the compound to dry for at least 24 hours, or according to package directions.
- Sand the patched area lightly with sandpaper, paying attention to blending the edges.
- Prime the patched area with a sealing coat, and paint it to match the surrounding wall.
How to Repair Plaster Nail Holes
Repairing nail holes is an easy do-it-yourself home repair. The newest of homeowners can repair nail holes, which improves the appearance of a plaster wall. Holes in plaster can be easier to repair than drywall because of the underlying lathe that anchors the repairing compound to the wall.