How to remove oil stains from an asphalt driveway

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Introduction

Tired of unsightly black spots making your driveway look old and neglected? Learning how to remove oil stains from an asphalt driveway is one of the most effective ways to restore your home’s curb appeal. Whether the stains come from cars, motorcycles, or lawn equipment, this guide will walk you through proven methods to clean and protect your asphalt driveway so it looks spotless and lasts longer.

Why Removing Oil Stains Matters for Your Driveway

Oil doesn’t just make your driveway look bad—it actively damages asphalt over time. Here’s why it’s so important to deal with these stains quickly:

  • Prevents asphalt breakdown – Oil seeps into the porous surface, softening asphalt and leading to cracks or potholes.
  • Boosts curb appeal – Clean driveways improve the overall look of your property.
  • Improves safety – Oil creates slippery surfaces that can cause falls or tire skids.
  • Extends driveway life – Regular maintenance prevents costly resurfacing or repairs.

Addressing oil stains early keeps your driveway strong, safe, and looking great.

Step-by-Step Guide to Removing Oil Stains

1. Gather the Right Materials

You’ll need kitty litter or oil absorbent, a stiff-bristle brush, a bucket, dish soap or a specialized degreaser, a garden hose or pressure washer, and protective gloves. For stubborn stains, you may also need trisodium phosphate (TSP) or a commercial asphalt cleaner.

2. Act Quickly for Fresh Stains

If the oil spill is new, cover it immediately with kitty litter, sawdust, or baking soda. Let it sit for at least 30 minutes to absorb as much oil as possible. Sweep it up and dispose of it properly. Acting quickly prevents the oil from soaking deep into the asphalt.

3. Scrub with Soap and Water

For light stains, mix warm water with dish soap and pour it over the area. Use a stiff-bristle brush to scrub the stain in circular motions. Rinse thoroughly with a hose. Repeat if needed until the stain fades.

4. Use a Degreaser for Stubborn Stains

If soap isn’t enough, apply a concrete or asphalt-safe degreaser. Follow the product instructions carefully. Most degreasers need to sit for 15–20 minutes before scrubbing. Always rinse well to prevent residue buildup.

5. Apply Trisodium Phosphate (TSP) for Deep Cleaning

For older, set-in stains, TSP is a stronger solution. Mix according to package directions, apply it to the stain, and scrub vigorously. Wear gloves and eye protection, as TSP is caustic. Rinse thoroughly after use.

6. Try Pressure Washing

For widespread stains or driveway-wide cleaning, use a pressure washer. Keep the nozzle 12–18 inches above the asphalt to avoid damaging the surface. Use overlapping strokes and rinse thoroughly.

7. Seal the Driveway After Cleaning

Once the surface is completely dry, apply a driveway sealer to protect against future oil stains and extend the lifespan of your asphalt. Sealing creates a protective barrier, preventing oil and chemicals from soaking in again.

Common Mistakes to Avoid

  1. Using Harsh Chemicals Without Checking Compatibility
    Mistake: Pouring bleach or undiluted chemicals directly on asphalt.
    Solution: Always use asphalt-safe cleaners like dish soap, degreasers, or TSP.
  2. Skipping Absorbents for Fresh Spills
    Mistake: Trying to wash away fresh oil without soaking it up first.
    Solution: Apply kitty litter or absorbents immediately to limit stain penetration.
  3. Applying Too Much Pressure When Washing
    Mistake: Holding the pressure washer nozzle too close and damaging the asphalt.
    Solution: Keep a safe distance of at least 12 inches.
  4. Not Rinsing Properly
    Mistake: Leaving cleaning chemicals on the surface.
    Solution: Always rinse thoroughly to prevent discoloration or surface damage.
  5. Forgetting to Seal After Cleaning
    Mistake: Leaving asphalt unprotected after stain removal.
    Solution: Apply a sealant every 2–3 years for long-term protection.

Extra Driveway Tips & Hacks

  • Use Powdered Laundry Detergent: Sprinkle it on stains, add water to make a paste, scrub, and rinse for an affordable DIY solution.
  • Maintain Regularly: Sweep and inspect your driveway monthly to catch stains early before they set.
  • Combine Stain Removal with Sealing: Cleaning and sealing together saves time and maximizes results.

Want to keep your driveway looking its best? Check out our guide on how to pressure wash a concrete driveway the right way for another effective cleaning method.

Conclusion

Knowing how to remove oil stains from an asphalt driveway ensures your driveway stays safe, attractive, and long-lasting. With the right tools—absorbents, cleaners, and sealant—you can tackle both fresh and stubborn stains without damaging your asphalt.

Final Tip: Treat oil stains as soon as they happen. The faster you act, the easier they are to remove and the longer your driveway will last. Bookmark this guide to keep your asphalt driveway clean and protected all year long.