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How to Maintain an Asphalt or Concrete Parking Lot

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Asphalt preventive maintenance worker using asphalt patch repair technique in a parking lotRegular parking lot upkeep doesn’t just involve fixing cracks or repairing potholes—it helps ensure guests or customers have a safe surface on which to drive, park and walk. With the right maintenance plan, you’ll improve your parking lot’s appearance, functionality and longevity. And you’ll make a difference for your wallet, too.

So, how should you care for your parking lot? Check out our recommendations for a concrete or asphalt preventive maintenance plan.

How to Maintain Your Asphalt Parking Lot

What are the steps for proper asphalt maintenance in your parking lot? Review this checklist and perform repairs to make sure your pavement retains its integrity and stability.

Asphalt Parking Lot Maintenance Checklist

  1. Sealcoat asphalt pavement. Sealing protects the surface from oxidation, weather, salt, gas and oil. If not sealed, pavement starts to unravel and form potholes. Sealcoat after asphalt installation and then once every two years.
  2. Fill cracks. Crack filler seals crevices where water leaks into the asphalt’s foundation. Filling cracks keeps water out and prevents structural damage. Fill cracks every year.
  3. Repair potholes. Potholes form when water, wear and tear break down the asphalt. Potholes are not only a sign of structural damage but also a safety risk in your parking lot. Repair potholes with a cold mix as needed.
  4. Replace pavement. Asphalt parking lots last 20 to 30 years when properly maintained. However, even well-maintained parking lots require replacement over time. Bring in experts to evaluate and recommend a high-quality, long-lasting asphalt solution.

How to Maintain Your Concrete Parking Lot

Typically, concrete requires preventive maintenance every three to five years. Concrete maintenance is intended to address small issues, not structural problems. Review this checklist when performing parking lot concrete maintenance.

Concrete Parking Lot Maintenance Checklist

  1. Fill cracks and patch chips. To repair cracks, cut into the surface and fill with a leveling caulk. To patch chips, use hydraulic cement.
  2. Grind uneven sections. Sometimes, concrete sections shift over time, causing an uneven surface. Grind down the high side for a smooth driving and walking surface.
  3. Stabilize low or sinking areas. Pump a cement slurry below the problem area or patch a pothole with a cold mix pothole filler.
  4. Seal the surface. Sealant helps block the porous surface from corrosive effects of salt and water.
  5. Power wash the surface annually. Deep cleaning reveals fresh, beautiful concrete underneath the dirt.
  6. Apply a protective coating. An epoxy coating adds a protective layer to your concrete parking lot, which provides a barrier until your concrete parking lot needs replacing—usually when it reaches 20 years old.

Maintenance Costs and Benefits

Prevention is key to saving you time and money on your pavement preservation efforts. By making repairs as soon as issues occur, you’ll be able to extend the life of your parking lot for years to come. Be proactive and follow a parking lot maintenance schedule—incremental repair costs can lead to cost-saving benefits over time, especially if you’re looking to get a few more years out of your asphalt or concrete parking lot.

Learn more about asphalt repair products or concrete repair products. Browse our online shop to get all the repair materials you need for your next project.