Expert Advice on How-to Repair a Crack in Drywall | Behr

How to Repair a Crack

Repairing crack in painted drywall Repairing crack in painted drywall

Now is the time to repair any wall damage before you paint. Ensure the beauty of your freshly painted walls by repairing any cracks.

For Best Results:

Refer to the how-to for step-by-step instructions on repairing cracks.

Suggested Tools & Supplies
  • 5-in-1 Tool
  • Vinyl Gloves
  • Ladder
  • Patching Material
  • Protective Apparel
  • Putty Knife
  • Rags
  • Sandpaper (100, 220 Grit)
  • Scraper
  • Ceiling/Wall Patch
  • Step 1

    Using 100-grit sandpaper, remove any loose debris from the cracked area.

    TIP: Use a 5-in-1 painter's tool to widen cracks that are less than ¼" wide. This will remove old caulking, paint, and other debris from the cracks and will allow the patching material to bond tightly to the damaged area.

  • Step 2

    Again using 100-grit sandpaper, lightly sand any raised or rough areas. Remove any dust or debris from the area with a water-dampened rag.

  • Step 3

    Using a putty knife, spread a thin layer of patching material into the cracked area. Allow it to dry.

    TIP: To create an even surface, always smooth out (feather) the patching material 1"-2" beyond the repaired area.

  • Step 4

    Use 220-grit sandpaper to smooth the patched area and make it even with the surface.

    TIP: If shrinking of the patching material occurs, lightly sand and clean the area and apply additional layers of patching material as needed.

  • Step 5

    Remove any final dust or debris from the finished repair.

    TIP: If retexturing of the surface is necessary, choose a finish that will match the existing surface. Textured ceiling/wall patch kits are available in aerosol and powder forms. Follow the manufacturer's recommendations for application.

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The following product(s) is required to properly prep uncoated and previously coated concrete surfaces.
Required product
BEHR PREMIUM ALL-IN-ONE WOOD CCCC
$0.00
The following product(s) is required to properly prep uncoated and previously coated concrete surfaces. Only available in store at Home Depot.
Required 3rd party product
BEHR PREMIUM ALL-IN-ONE WOOD CCCC
The 9 in. x 1/4 in. Polyester Adhesive Roller Cover has a hard texture, making it ideal for applying all types of adhesives to smooth surfaces. It can be used for stippling and applying sand paints.
The following product(s) is recommended when a topcoat clear finish is desired.
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