Readers ask: How To Clean Old Concrete?

How do you clean old dirty concrete?

For a lightly soiled patio, you can remove dirt with a cleaner and a stiff brush. You can use bleach mixed with water. Add 1/8 cup of liquid dishwashing detergent to the solution and put into a spray bottle. Spray the solution onto the surface, let sit for a few minutes and then scrub with a stiff nylon-bristled brush.

How can I make my concrete white again?

Apply vinegar or bleach to the discolored areas. If you use vinegar, do not dilute it. Pour it onto the concrete and scrub it into the surface with a scrub brush. If the discoloration starts to fade, repeat until it disappears completely.

Can you use bleach to clean concrete?

For lightly soiled concrete, you can remove dirt by using bleach mixed with water. Add 1/8th cup of liquid dishwashing detergent to the solution and pour it into a spray bottle. Spray the solution onto the surface, and let it sit for a few minutes. Scrub with a nylon-bristled brush.

What is the best chemical to clean concrete?

Five Concrete Cleaning Products To Use

1. Soda. Soda can be used to remove grease stains.
2. Detergent. This is recommended for smaller grease spills.
3. Vinegar and Baking Soda. Cleaning concrete with vinegar or baking soda is a good option if you are looking for a natural cleaner.
4. Concrete Cleaner or Degreaser.
5. Bleach.

Does white vinegar clean concrete?

Yes. Vinegar makes a great cleaner for stained concrete floors. Because of its acidity, you should dilute it 50/50 with warm water to avoid damaging the floors. However, you can use small amounts of full-strength vinegar for touch stains, followed by a quick water rinse.

What does vinegar do to concrete?

Vinegar does not dissolve concrete itself but can degrade the cement that binds concrete together. As a weak, dilute acid, vinegar will cause only minor damage to concrete but can take the shine off polished surfaces. It can, however, be used to remove small amounts of cement from tools.

Can you make old concrete look new?

The Easy Way to Make Old Concrete Look New!



Do-it-yourselfers and contractors can use QUIKRETE® Concrete Resurfacer for large applications such as driveways, walkways, sidewalks and patios.

Will straight bleach harm concrete?

When applied to concrete, bleach does not harm the sturdy material. It also disinfects concrete. When using bleach, work in a well-ventilated area because the fumes from bleach can be overwhelming. Depending on your cleaning project, you might combine the bleach with detergent, dilute it with water or use it straight.

How do you clean a dirty concrete garage floor?

For regular cleaning, a solution of baking soda and water will loosen dirt and grease and help keep your garage floor clean. Mix a half-cup baking soda in a gallon of warm water and use it as an all-purpose cleaner.

Will baking soda damage concrete?

When washing concrete, be wary of using any strong chemicals, particularly any acid-based cleaners—these can damage concrete. Instead, use gentle washing agents such as baking soda, dish soap, and water. There are several methods you can try to get your concrete looking like new again.

How do you remove black stains from concrete?

Meanwhile- for black spots caused by poor workmanship during concrete patio/surface installation, you can eliminate them by spraying warm water on the concrete surface and scrubbing repeatedly until the spots disappear. Alternatively, you can acid wash the surface.

What can I use to clean my concrete driveway?

Sweep the concrete surface, then spray the stained area with a garden hose to rinse away dirt. In a large plastic bucket, mix ½ cup of liquid dish detergent into 3 gallons of hot water. (Or, for the best results on tannin stains, use a powdered laundry detergent that’s advertised as being good at removing food stains.)

What will remove stains from concrete?

Answer:

1. Use a pressure washer to remove all solid leaf matter or debris from the concrete.
2. Apply an organic detergent (as recommended above) to damp concrete. Let it sit for a few minutes.
3. Scrub vigorously with a stiff broom or scrub brush.
4. Rinse the concrete with water until you remove all the soap.

Can you use OxiClean to clean concrete?

Although it’s possible to scatter the OxiClean powder on the wet concrete and then scrub with a stiff broom, you‘ll probably get a more uniform result by mixing the powder with water first. Use four scoops of powder per gallon of water. During that time, you can scrub the concrete to make the cleaning more effective.

Does peroxide clean concrete?

Cleaning concrete outdoors: you can rent a pressure washer for use in combination with a biodegradable detergent. Cleaning concrete indoors: your supplies are likely to be a bucket, scrub brush, and detergent. Hydrogen peroxide or ammonia also work well too.