Scrape off any loose pieces of drywall and drywall mud from the corner bead with a utility knife.
Push on the corner bead to check for loose areas. Staple or nail the corner bead to the studs in areas that flex.
Prime the corner bead with a stain-blocking primer and allow to fully dry.
Press fiberglass mesh tape into place over the corner bead. Allow the mesh tape to overlap onto the drywall.
Use a 6-inch taping knife and apply a heavy coat of drywall joint compound over the mesh tape. Allow to dry and follow with a second and third coat of drywall joint compound using an 8-inch taping knife.
Sand the area smooth with a drywall sanding block. Texture the repaired area to match the surrounding texture.
Prime and paint the area to match the wall color.
Things You Will Need
- Utility knife
- Staples or nails
- Stain-blocking primer
- Fiberglass mesh tape
- Drywall joint compound
- 6-inch taping knife
- 8-inch taping knife
- Drywall sanding block
- Wall texture
- Paint brush
- Wear a dust mask when sanding the joint compound to prevent inhalation of the dust.