Step 7: Finish up

repairing concrete «»
Pull up the duct tape from the expansion joints immediately after sweeping the surface. The surface can be walked on after about two hours, but don't drive your car on it for at least six hours. After 24 hours, protect the new surface with a clear, waterborne masonry sealer.
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    Tools List

    • drill
      Electric drill with mixing paddle
    • caulk gun
      Caulking gun
    • putty knife
      Putty knife
    • flat finishing trowel
      Trowel
    • push broom
      Push broom
    • garden sprayer
      Pump sprayer

    Shopping List

    1. CONCRETE RESURFACER
    one 20-pound bag will cover about 50 to 60 square feet

    2. 5-GALLON BUCKET
    for mixing concrete resurfacer

    3. TSP (trisodium phosphate)
    used to clean concrete prior to resurfacing

    4. DUCT TAPE
    used to cover expansion joints prior to resurfacing

    5. CONCRETE-REPAIR CAULK
    used to fill cracks up to ½-inch wide

    6. MASONRY MORTAR MIX
    for patching cracks wider than ½-inch

    7. MASONRY SEALER
    for treating the concrete after resurfacing