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Repairing A Cracked Concrete Step In Your Staircase

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If you have a step that has a crack in the concrete, you will want to take the time in having it repaired before someone puts enough pressure on the step to cause it to crumble and break, possibly causing injury as a result. While most people will hire a masonry restoration service to be sure the staircase is structurally sound, you may be able to make a temporary repair to the cracked area until you are able to have the staircase remodeled. Here are some instructions you can follow when making a concrete repair on your own.

Materials You Will Need

  • Garden hose
  • Ready-mix cement
  • Mixing Utensil
  • Cement mixing tray
  • Vegetable oil
  • Paintbrush
  • Plywood boards
  • Nails
  • Cinder blocks or bricks
  • Concrete trowel

Remove Broken Pieces

Before starting the repair, you will want to clean down the step with the crack within the concrete so any broken portions are completely removed before you restructure the step with new cement. This will allow the new cement to adhere properly without sticking to pieces of crumbling concrete that may not be intact. This will also allow you to see the damage a bit easier, as any dirt that was on the step will have been removed. Use a garden hose to wash any loose pieces out of the crack and allow to dry completely. Alternately, you can use a pressure washer to clean the step if you wish.

Construct A Form

If the crack is rather large, you will want to contain the cement you are using to fill it in by constructing a form around the area of the existing step. First, use a paintbrush to apply vegetable oil to one side of each of the pieces of wood you will be using for the form. Place a piece of plywood against the front and sides of the step you are repairing. Make sure the side with the vegetable oil is facing the step, as this will help you remove the wood easily after the cement has set. Use nails to attach the piece of plywood along the front of the step to each side piece. Place bricks in front of the pieces of wood to help keep them in place.

Add The Cement

Place ready-mix cement in a tray and add the recommended amount of water according to the package directions. Mix well and pour immediately into the mold you had just constructed around the affected step. Pour the bulk of the concrete over the cracked portion and use a trowel to direct it into the crevice. 

Smooth the cement over the crack and allow it to dry for at least a full day before removing the boards from the area. Check the cement instructions regarding cure-time and do not allow anyone to use the step until after the concrete is completely cured. At this time, you can resurface the concrete if desired. For extra help, hire professionals in your area, such as Mara Restoration, Inc.