Step 1: Clean the Concrete

pressure-washing the concrete walkway to prepare for resurfacing
Photo: Ryan Benyi
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While wearing heavy boots and protective glasses, blast off surface dirt with a gas-powered pressure washer that can reach at least 3,500 psi. Fit the wand with a 25-degree fan tip, and hold it 6 to 8 inches from the surface as you clean the concrete with slow, even sweeps. To remove mildew or algae, use a concrete wash.
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    Tools List

    • gas-powered pressure washer
    • bucket with sponge
      5-gallon bucket
    • flat finishing trowel
      finish trowel
    • nylon-bristle broom
      nylon-bristle broom, for a slip-resistant finish

    Shopping List

    1. Concrete resurfacer
    Get a 40-pound bag.

    2. Concrete wash
    Get a 1-gallon bottle. For preparing the concrete walkway before resurfacing.

    3. Peel-and-stick black-foam weatherstrippping to protect the walkway joints.