Stains and cleaning

How to Clean Coolant Stains from Concrete (Easy step by step)

Updated 2 min read Written by the MyGarageFloors install team
A bare concrete garage floor with dark stains spreading across the slab near the door

Keeping your garage floor and driveway spotless can be a challenge, especially when faced with stubborn coolant stains. Coolant leaks not only detract from the appearance of your concrete surfaces but can also pose environmental hazards. This easy step-by-step guide will help you effectively clean coolant stains from concrete and maintain a pristine look for your garage.

Does Antifreeze Evaporate?

A common question that arises with coolant spills is whether antifreeze evaporates. Unlike water, antifreeze does not evaporate quickly due to its chemical composition. This means that when there is an antifreeze spill on your concrete, it can persist and continue to pose a risk until it is cleaned up properly. Prompt and thorough cleaning is essential to prevent long-term staining and potential harm to the environment.

Step 1: Prioritize Safety

Before you start cleaning, make sure you wear protective gear, including gloves and safety goggles. Coolant contains chemicals that can be harmful if they come into contact with your skin or eyes.

Step 2: Absorb the Spill

Immediately after noticing the spill, use an absorbent material like kitty litter, baking soda, or sawdust to soak up the liquid. Spread a generous amount over the spill and let it sit for several hours or overnight.

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Step 3: Sweep Up the Absorbent

Once the absorbent material has soaked up the coolant, sweep it up and dispose of it properly. Be cautious, as used absorbent materials can be hazardous waste.

Step 4: Prepare a Cleaning Solution

Mix a cleaning solution using water and a heavy-duty cleaner or degreaser. You can use a commercial concrete cleaner for this step. Follow the instructions on the product label to ensure the correct dilution.

Step 5: Apply the Cleaning Solution

Pour the cleaning solution directly onto the stained area. Make sure to cover the entire stain thoroughly.

Step 6: Scrub the Stain

Using a stiff-bristled brush, scrub the area vigorously. This will help lift the stain from the concrete. For tougher stains, you may need to repeat this process several times.

Step 7: Rinse and Repeat

Rinse the area with clean water to wash away the cleaning solution and any remaining stain. If the stain persists, repeat the scrubbing and rinsing process until the concrete is clean.

Prevent Future Stains

To avoid future coolant stains and other types of spills, consider using a protective coating for your garage floor. Our advanced polyaspartic coatings at MyGarageFloors.com provide a durable, stain-resistant surface that makes cleaning up spills a breeze and protects your concrete from damage.

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