How to Repair a Crack on a Wood Surface

Repaired Cracked Wood

Now is the time to repair the cracks in your wood siding. Before you apply a fresh coat of paint, make sure your surfaces are in good condition.

For Best Results:

Follow our how-to for the proper steps to repairing cracks in your wood exterior.

  1. Step 1

    Using 80 to 100-grit sandpaper, remove any loose debris from the cracked area.

  2. Step 2

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

  3. Step 3

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

  4. Step 4

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

  5. Step 5

    Remove any final dust or debris from the finished repair.

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Suggested Tools & Supplies
  • 5-in-1 Tool
  • Vinyl Gloves
  • Ladder
  • Patching Material
  • Protective Apparel
  • Putty Knife
  • Rags
  • Sandpaper
More How-tos
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