How to Clean Concrete Garage Floor and Remove Oil Stains with Bleach

A tidy garage with various antique items like lawn chairs, wheelbarrow, and surfboard. The garage door opens to a driveway.

Follow these garage floor cleaner tips to learn how to clean garage floors with bleach to remove dirt, residue, and mold and clean oil off the concrete.

More from Clorox experts

How to Clean with Clorox™ Outdoor Bleach

How to clean garage floors with Clorox™ Outdoor Bleach

(Cement floors must be sealed)

  1. Prep

    Wear old clothes, shoes and rubber gloves.

  2. Mix

    In a plastic bucket or container, add ⅓ cup of Clorox™ Outdoor Bleach to 15⅔ cups of water to make 1 gallon of solution.

  3. Scrub (A)

    Apply bleach solution using a brush or broom on horizontal surfaces, and a sponge or mop on vertical surfaces.

  4. Scrub (B)

    Heavily soiled surfaces may require additional scrubbing.

  5. Wait

    Wait up to 15 minutes.

  6. Rinse

    Rinse thoroughly using a garden hose with a spray nozzle.

How to Clean with Clorox™ Disinfecting Bleach

How to clean garage floors with Clorox™ Disinfecting Bleach

(Cement floors must be sealed)

  1. Prep

    Wear old clothes, shoes and rubber gloves.

  2. Mix

    Pour ⅓ cup of Clorox™ Disinfecting Bleach into 1 gallon of water in a plastic bucket or container.

  3. Scrub (A)

    Apply bleach solution using a brush or broom on horizontal surfaces, and a sponge or mop on vertical surfaces.

  4. Scrub (B)

    Heavily soiled surfaces may require additional scrubbing.

  5. Wait

    Wait 6 minutes for disinfecting.

  6. Rinse

    Rinse thoroughly using a garden hose with a spray nozzle.