How to Repair a Concrete Step
In this Project you will:
Step 1: Remove Loose Concrete
Using a sledgehammer and cold chisel, remove all loose and crumbling concrete from the step you wish to repair. Remove all of the fragments and clean the area well using a garden hose.
Step 2: Apply Bonding Agent
Apply a coat of concrete bonding agent to all raw patches. This will help the new concrete bond to the old concrete.
Step 3: Build Forms
Using 1” x 4” boards, build a concrete form. The forms must sit flush with the face and sides of the existing steps. Use nails to fasten forms together and stakes to hold them in place. A light application of water on the forms will help them to release easier later.
Step 4: Pour Cement
Mix fast-drying cement according to manufacturer's directions and pour into form. Use a magnesium concrete float to smooth and level the step. Wait about an hour for the concrete to dry and then run an edging tool between concrete and form.
Step 5: Remove Forms
Remove the nails holding the form together and take the form away from the concrete.
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