How to Repair & Level a Cracked Concrete Footing

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Repairing and leveling a cracked concrete footing is simple if you are willing to put in a little extra effort. Cracking often occurs because there is too much water in the concrete, and it causes the concrete to separate from itself. Another reason for cracking is de-icing salt that removes snow and ice. Thus, it is sometimes necessary to repair concrete. Using self-leveling concrete will level the surface out while you are working.

Things You'll Need

  • 2-by-4 boards
  • Metal or wooden stakes
  • Hammer
  • Self-leveling concrete
  • Bucket
  • Broom
  • Paintbrush
  • Paint roller
  • Acrylic block fill primer
  • Form a boundary around the slab area by lining it with 2-by-4 boards along the edges. Hammer the stakes into the ground directly against the boards to keep them from slipping while you are working.

  • Remove large broken pieces, if there are any, from the footing area. When you pour your new concrete, these areas will be filled in.

  • Sweep the concrete thoroughly to remove all debris.

  • Paint a layer of acrylic block fill primer onto the concrete. As soon as you have applied it, have an assistant push the acrylic block fill primer into the pores of the concrete with a paint roller. Allow the acrylic block fill primer to dry according to the manufacturer’s directions, which can vary from brand to brand.

  • Combine the self-leveling concrete in small batches according to the manufacturer’s specifications.

  • Pour the combined self-leveling concrete over your work area, working from one end of the footing to the other. If large pieces had to be removed, pour plenty of concrete in those areas. The concrete will flow and level as you work.

  • Allow the concrete overlay to cure for three or four days before putting pressure on it.

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