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See all Exterior paint how-to »

How to Repair a Crack on a Stucco Surface

Skill:  Intermediate DIY'er

Take the time to patch any cracks on your stucco surfaces.  It will make a positive difference in the appearance of your home.

For Best Results:

Follow these how-to steps for successful repair of cracks in your stucco.

Suggested Supplies
  • 5-in-1 Tool
  • Bucket
  • Ladder
  • Protective Apparel
  • Rags
  • Rubber Float
  • Scraper
  • Stir Stick
  • Stucco Patch
  1. Step 1

    Using a scraper, remove any loose debris from the cracked area.

    Use a 5-in-1 painter's tool to widen cracks that are less that ¼" wide. This will remove old stucco, paint, and other debris from the cracks and will allow the patching material to bond tightly to the damaged area.
  2. Step 2

    Following the manufacturer's directions on the label, mix the appropriate ratio of stucco patch and water in an empty plastic 5-gallon container.

    This product dries quickly. Mix only enough stucco patch material for a 15-20 minute application.
  3. Step 3

    Using a rubber float, press the patching material into the damaged area. Spread no more than a ¼" thick layer into the crack. Allow it to set. Continue to apply stucco patch material in ¼" layers until it is flush with the existing surface.

    For small cracks, fill the damaged area with paintable high quality caulking material before continuing with the stucco patch.
  4. Step 4

    Before the last coat of patching material dries, remove any excess material using a clean rubber float in a circular sweeping motion. Blend the repaired area into the existing texture. Allow the area to dry.

    Clean your tools after use.
  5. Step 5

    Remove any final dust or debris from the finished repair.