How to remove vegetable oil stains from concrete

Written by mary ylisela Google
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How to remove vegetable oil stains from concrete
Vegetable oil spilt on concrete causes a sticky, greasy stain. (Jupiterimages/Comstock/Getty Images)

Vegetable oil spilt or splattered onto a concrete surface will absorb into it, if left unattended. Since concrete is hard and durable, most people believe a stain on concrete will merely sit on the surface. But concrete is porous by nature and absorbs oily and wet stains. When the vegetable oil is left on the surface and absorbs into the cement, it causes discolouration and acts like a stain magnet, attracting more dirt and debris.

Skill level:

Things you need

  • Sawdust
  • Broom
  • Dustpan
  • Hose
  • Powdered washing powder
  • Scrub brush

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  1. 1

    Pour sawdust over the vegetable oil stain on your concrete surface. Use enough sawdust to cover the stain and create a mound over it. Allow the sawdust to absorb the vegetable oil for 30 minutes.

    How to remove vegetable oil stains from concrete
    Sawdust absorbs spills on your concrete surface. (sawdust image by Jim Parkin from
  2. 2

    Sweep up the soiled sawdust with your broom and dustpan. Discard the oily absorbent in the dustbin.

  3. 3

    Spray water on the site of the vegetable oil stain using your hose. Use enough water to make the concrete wet without creating a puddle.

    How to remove vegetable oil stains from concrete
    Hose water helps to clean and rinse off a vegetable oil stain from your concrete surface. (running water hose image by Katrina Miller from
  4. 4

    Cover the wet stain with powdered washing powder. Scrub the detergent into the concrete, along with the water, long enough to create soap suds. Allow the soap suds to dry on the concrete; as they dry, the suds will emulsify and draw out the vegetable oil stain.

  5. 5

    Remove the dried soap solution by sweeping it up with your broom and dustpan. Rinse off the concrete surface to remove any remaining soap solution. Let the concrete air-dry overnight.

Tips and warnings

  • A surface oil stain can be removed by washing it with grease-cutting dishwashing detergent, then rinsing it off with water.
  • Blot up a vegetable oil spill before it has the chance to soak into the concrete.
  • Substitute clay cat litter for sawdust to absorb an oil spill.

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