Power Washing a Concrete Patio

Power Washing a Concrete Patio

Power washing a concrete patio is a great way to remove stains and prepare the surface for staining or sealing. It also improves the appearance of your property and extends its lifespan.

However, it is important to power wash concrete properly so as not to damage it. Common causes of concrete damage include improper nozzles, too much pressure or spraying too close to the surface.


Over time concrete patios can become a little dingy and stained in certain areas. This is particularly true in damp areas where moss, mold and mildew can form.

Power Washing a Concrete Patio
Power Washing a Concrete Patio

One of the most common ways to clean a concrete patio is with a pressure washer. This works great for removing stains, dirt, and grime that aren’t easily removed by a brush or scrubber.

Before using a pressure washer, prepare the patio by removing any furniture and plants from the area. This will make the task easier and ensure you don’t accidentally inadvertently damage your patio while washing it.

Once you have everything ready, mix a solution of one part chlorine bleach to two parts water in a bucket or spray bottle. Use old towels or plastic sheeting to protect nearby lawn and shrubbery from the bleach if needed.

Preparing for Staining or Sealing

Staining a concrete patio is one of the most popular and cost-effective ways to transform your outdoor space. It is also durable, long-lasting and easy to maintain.

The first step in preparing your concrete patio for staining or sealing is to thoroughly clean it. Use a degreaser or organic cleaner to remove oil, dirt, and other stains.

For heavily soiled and dirty concrete patios, it is recommended to power wash the surface to remove the buildup. This will help the acid stain color to penetrate and bond with the concrete.

To avoid smearing the stain, apply the stain on a test area to determine its color and consistency before applying it to the entire concrete patio.

Before starting a project, make sure the area is properly ventilated to prevent harmful chemical odors. It is also a good idea to wear proper safety gear and protect your skin, face and lungs from chemicals.


When you power wash concrete patios, there are some safety precautions that you need to take. If you don’t follow these steps, you could damage the surface and cause unnecessary harm.

Before you use a power washer, remove all debris from the area and make sure that the concrete is dry. This will prevent any flying debris from becoming a hazardous condition or injuring you or someone else.

Power Washing a Concrete Patio
Power Washing a Concrete Patio

Using the wrong nozzle, spraying too close or holding the nozzle on one spot for too long can also cause serious damage to your concrete.

You should only use a pressure washer that is recommended for your project, and make sure you wear protective gear like gloves, goggles and closed shoes. You’ll need to use a higher setting and spray the concrete in small sections so that you don’t cause any significant damage.


One of the best ways to increase your home’s curb appeal and keep your patio, driveway, walkways and other stone features looking brand new is by having them regularly power washed. The longer you leave a dirty surface, the more likely it is to become damaged and need to be replaced.

Concrete is a great material to use in patios and other outdoor spaces, but it can quickly become cluttered with dirt, stains and grime. Over time, it can turn yellow or dark gray, and it may even become slippery when wet.

Ambassador Window Cleaning & Maintenance
2245 Ashley Crossing Dr #101, Charleston, SC 29414, United States
(843) 766-6890


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