Are you planning to power wash your concrete surfaces but unsure how to prep them for cleaning? Before you start blasting away with a high-pressure washer, you need to use the right cleaning solution to remove stains, dirt, and grime from the surface.

Using the wrong cleaners can damage your concrete and make it harder to clean, so it’s important to choose the best one for your specific needs. In this article, we’ll share some tips on what to use to clean concrete before power washing.

Best Cleaners for Concrete

360+ Concrete Cleaning Machine Stock Photos, Pictures & Royalty-Free Images - iStockLooking for the best way to prep your concrete before power washing? Check out these top-rated cleaners that’ll make your surface sparkle in no time!

When it comes to cleaning concrete, there are a variety of options available. Some popular choices include acid-based cleaners, alkaline-based cleaners, and enzymatic cleaners.

Acid-based cleaners are great for removing tough stains and grease, but they can be harsh on the surface and surrounding vegetation. Alkaline-based cleaners are gentler on the surface and environment, but may not be as effective on heavy stains. Enzymatic cleaners are a natural alternative that use bacteria to break down and remove organic matter, but may require a longer dwell time.

Before choosing a cleaner, consider the type of concrete, the severity of stains, and the equipment and power washing services you’ll be using.

It’s important to follow the manufacturer’s instructions and wear protective gear, such as gloves and goggles, when handling any cleaning solution. Proper maintenance and regular exterior cleaning can help prolong the life and appearance of your concrete surface.

With the right cleaner and equipment, your concrete can look as good as new in no time!

Removing Stains and Dirt

To effectively get rid of stubborn stains and dirt on your concrete surface, you’ll need to try out a few different cleaning solutions. Depending on the type of stain you’re dealing with, you might need to use a specialized cleaner.

For example, if you have oil stains on your driveway or grease stains on your patio, you’ll need to use a degreaser. On the other hand, if you have rust stains on your fence or deck, you’ll need to use a rust remover.

For general dirt and grime, you can use a simple solution of warm water and a mild detergent. This should be enough to lift the dirt and restore the concrete’s natural color. However, if your sidewalk or patio has been neglected for a long time, you might need to use a stronger cleaner.

Just be sure to read the label carefully and follow all instructions to avoid damaging your concrete surface.

Prepping for Power Washing

Before starting, it’s important to ensure that your concrete surface is properly prepared for power washing. This means removing any loose debris, such as leaves or twigs, from the surface.

You should also take steps to protect any nearby gutters, roof siding, stucco, tile, or other surfaces that could be damaged by the high pressure of the power washer. One way to do this is to cover them with plastic sheeting or tape them off with painter’s tape.

Another important step is to use a cleaning solution to help break down any dirt, grime, or stains on the concrete surface. You can find a variety of cleaning solutions specifically designed for pressure washing services at your local home improvement store. Be sure to follow the manufacturer’s instructions carefully and use the appropriate dilution ratio.

Once the cleaning solution has been applied, allow it to sit for a few minutes before rinsing it off with a garden hose. By properly prepping your concrete surface before power washing, you can ensure that you achieve the best possible results and avoid causing any damage to other surfaces in the process.

DIY Cleaning Solutions

Pressure Washing Dirty Concrete Driveway Home Cleaning Maintenance And Household Chores Concept Stock Photo - Download Image Now - iStockTo make your power washing experience easier, you can mix up your own cleaning solution using common household items like vinegar and baking soda.

All you need to do is mix equal parts of water and vinegar in a spray bottle, and add a few tablespoons of baking soda. Shake the bottle well to mix the ingredients, and you’re ready to go.

This solution is great for cleaning outdoor furniture, pool and spa areas, and other outdoor surfaces. When using this DIY solution, it’s important to keep in mind that vinegar is an acid and can damage certain surfaces like marble or granite.

Test the solution on a small, inconspicuous area before using it on a larger area. Additionally, make sure to rinse the surface with water after using the solution to avoid leaving any residue.

With this easy and affordable cleaning solution, your power washing will be even more effective.

Acid vs. Non-Acid Cleaners

Acidic cleaners can be more effective than non-acidic options, but they can also be more hazardous if not used correctly. If you have tough stains on your concrete surface, an acid-based cleaner might be your best bet. However, make sure to wear protective gear such as gloves, goggles, and a mask to avoid skin and respiratory irritation. Also, never mix acid-based cleaners with other chemicals, especially bleach, as it can create toxic fumes.

On the other hand, if you’re looking for a safer option, non-acidic cleaners are a great alternative. They’re usually made with biodegradable ingredients and are safe to use around hot tubs, barbecues, lawns, gardens, and trees. Non-acidic cleaners are also less likely to damage the surface of your concrete, making them a good choice for regular maintenance. Just make sure to follow the instructions on the label and rinse the surface thoroughly with water after cleaning.

Degreasers for Oil and Grease

When dealing with oil and grease stains on your concrete surface, you’ll want to consider using degreasers specifically designed for these types of stains. These products are formulated to break down and lift oily and greasy substances from the surface of your concrete, making it easier to remove with power washing or other cleaning methods.

Using a degreaser before power washing can save you time and effort, as well as provide a more thorough clean for your building’s exterior. When selecting a degreaser for your concrete, look for products that are labeled as safe for use on concrete and that are specifically designed for oil and grease stains.

These products may come in different forms, such as sprays, concentrates, or powders, and may require different dilution ratios or application methods. Be sure to follow the manufacturer’s instructions carefully to ensure the best results and to avoid damaging your concrete surface.

Using a degreaser before power washing can help you achieve a cleaner, more polished appearance for your building’s exterior, so consider incorporating this step into your cleaning routine.

Bleach for Mold and Mildew

If you’re looking to eliminate mold and mildew from your concrete surface, bleach is a highly effective solution that can restore your building’s exterior to its former glory.

Mold and mildew can cause discoloration and make your concrete surface slippery, creating a safety hazard for anyone walking on it.

Bleach can effectively kill the mold and mildew spores and prevent them from growing back. It’s also a cost-effective solution for both residential and commercial properties.

When using bleach to clean your concrete surface, it’s important to protect any nearby shrubs or flowers. Bleach can harm plants, so it’s best to cover them with a tarp or plastic sheeting.

You should also avoid using too much bleach, as it can damage your house or other nearby structures. If you don’t have the time or equipment to do the job yourself, consider hiring a professional power washing service to do it for you.

They can ensure that your concrete surface is thoroughly cleaned without causing any damage to your property.

Pressure Washing Accessories

Cobble Driveway Washing Stock Photo - Download Image Now - High Pressure Cleaning, Driveway, Washing - iStockTo enhance the effectiveness of your pressure washing, invest in accessories like surface cleaners and turbo nozzles to increase your cleaning power and reduce the amount of time it takes to clean your exterior surfaces.

Surface cleaners are great for large, flat areas like driveways or sidewalks. They have a circular design that spins and cleans evenly without leaving streaks or lines. They also help to prevent the water from splashing back onto your clothes or skin.

Turbo nozzles, on the other hand, are ideal for tough, stubborn stains and grime. They have a rotating spray that increases the pressure and cleaning power, making quick work of dirt and grease. However, be careful when using turbo nozzles as they can damage delicate surfaces like wood or painted surfaces. Always test a small area first to ensure that the pressure is not too high.

With the right accessories, your pressure washing job will be much easier and more efficient.

Protecting Surrounding Areas

Make sure you take the time to protect the surrounding areas before you start pressure washing, so you don’t accidentally damage anything around your property. Cover nearby plants, outdoor furniture, and any other items that could be affected by the force of the water and cleaning chemicals. You can use plastic sheeting or tarps to shield these areas from the spray.

It’s also important to keep in mind the direction of the wind and the trajectory of the spray. Make sure you position yourself and the pressure washer in a way that will minimize the chance of water and debris getting blown onto nearby surfaces, like windows or doors.

Taking these precautions will ensure that your cleaning project is successful without any unwanted consequences.

Post-Cleaning Maintenance

Now that you’ve finished pressure washing, don’t forget about post-cleaning maintenance to ensure your property stays clean and pristine for longer.

One important step is to remove any remaining debris or dirt that may have been missed during the cleaning process. This can be done by using a broom or leaf blower to sweep the area thoroughly.

It’s also important to inspect the surface for any cracks or damage that may have been caused by the pressure washing. If any damage is found, it should be repaired as soon as possible to prevent further deterioration.

Another important aspect of post-cleaning maintenance is to apply a sealer to the surface. This will protect the concrete from future stains and damage caused by weather, oil, and other substances.

There are a variety of sealers available on the market, so be sure to choose one that is appropriate for your specific needs. Applying a sealer can be done using a sprayer or roller, and it’s important to follow the manufacturer’s instructions for application and drying time.

By taking these steps, you can help ensure that your property stays clean and well-maintained for years to come.


Outdoor Floor Cleaning With High Pressure Water Jet Cleaning Concrete Block Floor On Terrace Stock Photo - Download Image Now - iStockSo, there you have it – everything you need to know about cleaning concrete before power washing. By using the right cleaners and techniques, you can ensure that your concrete surface is free from stains, dirt, mold, and mildew.

And if you do it right, your power washing will be more effective and efficient, saving you time and effort. Remember, safety should always be your top priority when using power washers. Wear protective gear and follow the instructions carefully.

And don’t forget to protect surrounding areas and plants from the cleaning solution and high-pressure water. With these tips in mind, you’ll be able to clean your concrete surfaces like a pro and make them look brand new again.