How to Repair a Settling Sidewalk

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A settling or sinking sidewalk is not only unattractive, but it can also be dangerous. Guests approaching your home can trip on the sidewalk if it is uneven and sinking. The old-fashioned way to fix a settling sidewalk was to tear up the entire slab and have it repoured. Newer technology allows you to repair sidewalks using mudjacking--a method used by highway construction and other contractors to level uneven, cracked or sunken concrete.

Things You'll Need

  • Grout pump
  • Concrete or asphalt
  • Masonry drill
  • Safety goggles
  • Grout mixture (pond sand and concrete)
  • Putty knife

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Put on your safety goggles before you get started to protect your eyes from flying dirt and debris.

Drill a hole all the way through the sunken part of the concrete with your masonry drill.

Connect the grout pump to the hole and pump the grout mixture (pond sand and concrete) into the sidewalk until it is level.

Retract the hose and fill in the hole with any type of concrete mixed according to the manufacturer's directions or asphalt. Make sure to smooth the surface of the hole with a putty knife.

Tips & Warnings

  • Instead of a grout mixture, mudjackers also use topsoil, clay, lime, grout and cement mortar to pump into a settling sidewalk.
  • Mudjacking is not a do-it-yourself project and should only be done by a professional.


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