How to remove grease stains from concrete with a scrubber

Last updated: November 12, 2026 8:00:00 AM

Pour a mild degreaser onto the surface and scrub the area firmly with a stiff brush. Rinse the concrete thoroughly with clean water to wash away the lifted oil.

To remove grease stains from concrete using a scrubber, you need to draw the oil out of the pores of the stone using an absorbent material and then agitate the surface with a stiff-bristled brush and a strong detergent. This process breaks the bond between the oil and the rough concrete substrate, allowing you to rinse the residue away completely. Concrete is notoriously porous, which means it acts like a hard sponge when engine oil, cooking fat, or transmission fluid spills onto it. Because the liquid sinks deep beneath the surface, simply wiping the top layer will leave a dark shadow behind. Success depends entirely on pairing the right solvent or powder with mechanical agitation from your scrubber. Here is how to complete this task methodically.

Gather your supplies and clear the area

Before you begin working on the stain, you need to prepare the workspace and assemble everything required for the job. Start by sweeping away all loose dirt, leaves, and debris from the stained concrete using a stiff broom. If there is standing liquid grease, blot it up gently with paper towels or rags to remove excess volume before it soaks in further.

You will need a bucket of hot water, a liquid dish soap known for cutting grease, an absorbent powder such as baking soda, cornstarch, or cat litter, and a stiff-bristled scrub brush. A long-handled deck brush or a handheld utility brush will both work well depending on the size of the spill. Put on safety glasses and rubber gloves, especially if you plan to use stro The 6 Best Electric Scrubbers We Tested - Real Simple nger cleaning agents, because concrete cleaners and degreasers can irritate the skin. Ensure the area has adequate ventilation if you are working in a closed garage or a tight carport.

Apply an absorbent powder to draw out fresh oil

If the grease stain is relatively fresh, your first priority is to pull as much of the oil out of the concrete pores as possible before you start scrubbing. Pour a generous amount of baking soda, cornstarch, or plain clay cat litter directly over the entire stain. The powder Nov 11, 2026 · Aug 31, 2024 · Buy Football Syracuse Orange Football event tickets at Ticketmaster.com. Get sport event schedules and promotions. needs to form a thick, visib Nov 9, 2026 · Time in Australia Now — All Time Zones 3 hours ago · See the current time across all time zones in Australia, with live clocks, local dates, major cities … le layer that completely covers the affected area.

Allow the powder to sit undisturbed for several hours, or ideally overnight if the spill is severe. During this time, the dry material acts as a sponge, drawing the oil upward out of the stone. Once the waiting period is over, sweep up the powder and discard it in the trash. You will likely notice that the powder has clumped together or changed color where it absorbed the grease.

Mix a strong cleaning solution

With the bulk of the oil extracted, it is time to tackle the remaining discoloration with a liquid cleaning solution. Fill your bucket with hot water—hot water is essential because it helps melt and loosen stubborn grease residues that cold water would simply allow to reharden.

Add a generous squirt of concentrated liquid dish soap to the water. Alternatively, you can use laundry detergent or a heavy-duty powdered cleaner designed for masonry. Stir the mixture vigorously until it creates a rich, soapy lather. The soap is designed to surround the grease particles, breaking them down into smaller pieces that can be easily rinsed away with water.

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Pour a portion of your soapy water directly onto the grease stain, ensuring the concrete is thoroughly soaked. Do not be shy with the liquid; the concrete needs to stay wet while you work. Take your scrub brush and press down firmly against the surface.

Move the scrubber in vigorous circular motions to work the soapy solution deep into the textured pores of the concrete. After working in circles for a minute, switch to a back-and-forth motion to lift the loosened debris out of the micro-grooves of the stone. You should see the soap turning a brownish or grey color as it mixes with the remaining oil and dirt. Continue scrubbing the area for several minutes, adding more soapy water if the surface begins to dry out. For stubborn stains that have baked into the concrete over many weeks, you may need to let the soapy solution sit on the stain for ten to fifteen minutes before you begin scrubbing.

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Once you have finished scrubbing the entire area, it is time to remove the dirty slurry from the concrete. Pour clean water over the spot to wash away the soapy foam and suspended grease particles. If you have access to a garden hose with a spray nozzle, use a strong stream of water to flu Nov 11, 2026 · Aug 30, 2025 · Buy Football Louisville Cardinals Football event tickets at Ticketmaster.com. Get sport event schedules and promotions. sh the area clean.

Inspect the concrete closely while it is still wet, and then check it again after it dries completely. Water can sometimes mask remaining stains, making the concrete look cleaner than it actually is until the moisture evaporates. If you still see a dark shadow or outline of the original grease spot, do not despair. Simply repeat the process by applying another round of absorbent powder or by scrubbing the area a second time with fresh soapy water. Stubborn stains that have penetrated deeply into old, unsealed concrete often require multiple cleaning cycles to fade completely. Once you are satisfied with the appearance, allow the area to dry fully before allowing foot or vehicle traffic back onto the space.