How to Remove a Gas Odor From Concrete

Hunker may earn compensation through affiliate links in this story.

Things You'll Need

  • White vinegar

  • Spray bottle

  • Baking soda

  • Paint scraper or putty knife

Tip

Avoid air fresheners as they will only mask odors, not eliminate them.

Concrete can absorb oil and gas odors from cars.
See More Photos

As a relatively porous substance, concrete absorbs stains and odors quite easily. Concrete surfaces, common in garages and basements, are often exposed to gas odors and may begin to absorb them. Remove them as soon as you notice them, because the longer the smell is allowed the linger, the more time it will take to remove. Fortunately, common household products are ready to lend a hand.

Advertisement

Video of the Day

Step 1

Fill a spray bottle with white vinegar.

Step 2

Spray the white vinegar over the entire surface of the floor. White vinegar is an odor neutralizer that metabolizes molecules causing smells.

Advertisement

Step 3

Let the white vinegar sit for several hours.

Step 4

Add just enough water to 5 cups of baking soda to make a paste the consistency of frosting. Baking soda is a natural odor absorber.

Advertisement

Step 5

Spread a thin layer of the baking soda paste over stained, odor-producing areas of the concrete, using the paint scraper or putty knife.

Step 6

Let it sit for several hours until the layer of paste dries completely on the stains.

Advertisement

Step 7

Scrape up the paste and discard.

Step 8

Rinse the area with clear water and let it dry completely.

Advertisement