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Repair And Seal A Concrete Sidewalk On Your Property

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If the concrete sidewalk leading to your home's front porch has a few small holes and cracks in its surface, repair them by completing the steps below. After you have completed the project, add a coat of clear sealant to the sidewalk's surface to protect the concrete from additional damage.


  • garden sprayer
  • concrete cleaning agent
  • water hose
  • stiff-bristled scrub brush (with extension handle)
  • putty knife
  • bucket of concrete patch
  • trowel
  • empty caulking tube
  • caulk gun
  • sponge
  • vinyl tarps
  • bucket of concrete sealant
  • mixing stick
  • paint tray
  • roller, frame, and handle

Clean The Sidewalk's Surface And Remove Loose Fragments

Add equal amounts of a concrete cleaning agent and water to a garden sprayer's tank. Mix the contents in the tank for a minute or two. Apply the cleaning agent to the sidewalk's surface. Move a long-handled brush with stiff bristles back and forth over stained portions of the sidewalk to loosen residue from the concrete. If there are loose pieces of concrete in or around the holes and cracks, use the tip of a putty knife to break them off. Rinse the sidewalk off with a strong stream of water and wait for the concrete to dry thoroughly.

Apply Patches To Holes And Cracks

Use a trowel to add concrete patches to holes in the sidewalk. Move the flat side of a trowel over the repaired sections to flatten the surface of the patch. Fill an empty caulking tube with patch material. Secure the tube inside of a caulk gun. Insert the tool's tip inside of each hole while squeezing the gun's trigger.

Once all of the holes are filled, flatten the surface of the patch with the bottom of a trowel. Wait for the patch to dry. If a patch is accidentally applied to a section of the sidewalk that does not need to be repaired, use a sponge that has been dampened with water to eliminate it.

Apply Concrete Sealant To The Sidewalk

Cover the property that adjoins the sidwalk with vinyl tarps to prevent the patch from spilling onto the ground. Stir a container of concrete sealant for a couple minutes to remove bubbles from the product. Use a paint roller that is secured to an extension handle to apply an even coat of sealant to the sidewalk. Move the roller in straight lines over the concrete surface. Wait for the sealant to dry thoroughly before removing the tarps from the ground. 

For more information and help, talk with contractors that offer concrete repair products for sale