Alkaline cleaners like baking soda (pH 8 to 9) and castile soap (pH 8.9) break down oil, grease, and other hydrocarbon-based grime. Higher alkaline cleaners like borax (pH 10) and washing soda (pH 11 to 12) tackle deeper, harder-to-remove concrete stains.
Vinegar or baking soda: These natural cleaners work well to clean cement patios with stubborn charcoal or rust spots. Mix equal parts vinegar and water, scrub the patio with the mixture, then give it a good rinse. If stains don't dissolve, try undiluted vinegar.
Use a detergent such as Dawn or Ajax dishwashing liquid mixed with water to brighten a concrete patio that hasn't been cleaned in a while. Use a detergent such as Dawn or Ajax dishwashing liquid mixed with water to brighten a concrete patio that hasn't been cleaned in a while.
In fact, vinegar removes mold from concrete better than bleach. Bleach will only remove the top layer of mold, causing the mold to return.
Use Dish Soap and Water
Ordinary household dish soap as a degreaser is extremely useful for cleaning up oily, grimy concrete stains while avoiding the use of harmful chemicals. Start with two gallons of warm water and a mere two teaspoons of dish soap in a standard bucket.
Use Bleach
But that's not all; chlorine bleach can also be used for cleaning the concrete driveway. Of course, you should dilute it with equal parts of water or a 1:1 ratio. With the mixture ready, spray it on the driveway, allowing it to sit for 10 minutes. Then, use a stiff brush before rinsing with clean water.
The Liquid peroxide cleans, refreshes, and brightens concrete, tile, and grout without leaving watermarks or residue in contrast to other cleaning chemicals. Powdered peroxide-based formulas are generally high-performance alkaline, tile and grout cleaners and degreasers that are made for use on heavy-duty concrete.
Driveways and Sidewalks
If you don't have access to a pressure washer, you can use Super Clean, a hose and a garage broom to get similar results. Spray the area down with cold water, spray on some Super Clean and let it sit a few minutes. Work it into the concrete with the garage broom, and rinse with the hose.
Wash the concrete > Mix a solution of ⅓ cup powdered laundry detergent, such as Tide, per gallon of hot water; the granules will act as a mild abrasive. Working in sections, pour some solution onto the floor and scrub with a stiff bristle brush. Wait about 10 minutes for dirt to loosen, then repeat.
'A homemade cleaning solution for your patio can be made by mixing equal parts water and white vinegar,' says Zak. 'This natural cleaner is effective in removing dirt, mildew, and algae. For stubborn stains, you can add a few drops of liquid dish soap to the mixture. '
Although it's possible to scatter OxiClean powder on wet concrete, then scrub with a stiff broom, it's better (and easier) to first mix the powder with water. Use 4 scoops of powder per 1 gallon of warm to hot water. Mop that onto the concrete, then wait five to 30 minutes.
Hydrogen peroxide is an oxygenated bleach. It is safe for plants, so when you rinse this solution, it won't harm anything. It works together with the dish soap and baking soda to remove dirt and whiten dirty concrete.
Alkaline cleaners like baking soda (pH 8 to 9) and castile soap (pH 8.9) break down oil, grease, and other hydrocarbon-based grime. Higher alkaline cleaners like borax (pH 10) and washing soda (pH 11 to 12) tackle deeper, harder-to-remove concrete stains.
Bronner's castile soap is our favorite non-specialized product for surface cleaning indoor concrete floors. Dr. Bronner's is a nearly pH-neutral cleaner that comes in a variety of natural scents. Because the soap is concentrated, a few drops in a gallon of water is plenty.
Pressure washing is one of the fastest, most effective ways to get your concrete white again. Concrete can change color over time due to pollen, algae, or dirt buildup, but a good pressure wash can easily remove dirt and stains and make your concrete look new again.
What are the most common causes of concrete deterioration? Chemical attack, overloading and impact, carbonation, dry and wet cycling, and fire are major causes of concrete damages.
As a gentler cleaner, bleach can't harm concrete's durable material. Aside from being an effective cleaner and stain remover, it also acts as a disinfectant to the concrete surface.
Yes, vinegar is an excellent concrete cleaner. This solution can strip surface-level messes from concrete. Due to its acidic properties, vinegar can be a powerful tool for breaking down offensive materials such as dirt, stains, and bacteria.
Whether your patio is sealed concrete or cement, or even sealed concrete pavers, a bleach and water solution makes it easy to clean away built up soil, stains from leaves and pollen, mold, mildew and algae.
Bleach is commonly used to whiten concrete and is very effective at doing so if the initial stain is removed beforehand. Bleaching stained concrete white prepares it for any additional coloring treatments that you may wish to apply in the future.
Our top pick for an alkaline concrete cleaner, Sunnyside 64216 TSP All Purpose Cleaner, is recommended for indoor surfaces and works quickly to remove tough stains. Acid concrete cleaners are made with phosphoric acid or hydrochloric acid, which cause a chemical reaction that lifts stains.
You can use Simple Green Oxy Solve Concrete and Driveway Cleaner to clean a concrete patio with or without a pressure washer. It removes oil, grease, grime and most stains and discolorations. Its biodegradable formula is safe for lawns and pets.