Why You Should Use a Surface Cleaner for Concrete Pressure Washing: A Comprehensive Guide

April 10, 2023

Concrete surfaces, such as driveways, sidewalks, and patios, are prone to accumulating dirt, grime, mold, and mildew over time. Pressure washing is an effective method for restoring the appearance of these surfaces, but using the right equipment is crucial for achieving the best results.

In this blog post, we will discuss why you should use a surface cleaner for concrete pressure washing, as well as compare it to using a turbo nozzle, outline the appropriate tips to use on a surface cleaner, and explain the necessary PSI (pounds per square inch) for effective cleaning.

1. The Benefits of Using a Surface Cleaner

A surface cleaner is a specialized attachment designed for use with a pressure washer. It features a circular disc with multiple nozzles that evenly distribute water pressure, resulting in a consistent and thorough cleaning. There are several advantages to using a surface cleaner for concrete pressure washing:

  • Faster and more efficient cleaning: The wide coverage area and multiple nozzles of a surface cleaner allow you to clean larger sections of concrete in less time than using a standard pressure washer wand or turbo nozzle.
  • Even and streak-free results: The uniform water pressure distribution provided by a surface cleaner helps prevent the formation of streaks or uneven cleaning patterns, which can occur when using a standard pressure washer wand or turbo nozzle.
  • Reduced risk of damage: A surface cleaner's design helps prevent water pressure from being concentrated in one spot, reducing the risk of damaging the concrete surface or causing etching.

2. Turbo Nozzle vs. Surface Cleaner

A turbo nozzle is another attachment commonly used with pressure washers for cleaning concrete surfaces. It features a rotating spray pattern that combines the force of a narrow, high-pressure stream with the coverage of a wide-angle nozzle. While a turbo nozzle can be effective for certain applications, such as removing stubborn stains or dislodging debris, it has some disadvantages compared to a surface cleaner:

  • Slower cleaning process: The narrower coverage area of a turbo nozzle means that it takes longer to clean large concrete surfaces compared to a surface cleaner.
  • Increased risk of streaking and damage: The concentrated spray pattern of a turbo nozzle can create streaks or cause etching on the concrete surface if not used carefully and consistently.
  • Greater physical effort required: Using a turbo nozzle requires more manual effort to maintain a consistent cleaning pattern, which can be tiring and time-consuming.

3. Choosing the Right Tips for a Surface Cleaner

When using a surface cleaner, it's essential to select the appropriate nozzles or tips to achieve the desired cleaning results. Most surface cleaners come with a set of interchangeable nozzles, typically color-coded to indicate their spray angle (e.g., 0, 15, 25, and 40 degrees). For concrete pressure washing, a nozzle with a spray angle between 15 and 25 degrees is generally recommended. This provides a balance between cleaning power and coverage area, making it suitable for most concrete surfaces.

4. Determining the Appropriate PSI for Concrete Pressure Washing

The pressure rating of your pressure washer, measured in PSI, is a critical factor to consider when cleaning concrete surfaces. Using a pressure washer with an insufficient PSI rating may not effectively remove dirt and grime, while using a pressure washer with too high a PSI rating can cause damage to the concrete surface.

For most residential concrete cleaning applications, a pressure washer with a PSI rating between 2,000 and 3,000 is suitable. This range provides sufficient cleaning power without posing a significant risk of damaging the surface. However, it's important to always start with a lower PSI setting and gradually increase the pressure as needed, based on the specific condition of the surface being cleaned.

In summary, investing in a surface cleaner attachment for your pressure washer can significantly improve your concrete cleaning results, saving you time and effort while providing a professional-quality finish.

By understanding the advantages of using a surface cleaner, selecting the correct tips, and determining the appropriate PSI for your pressure washing needs, you can effectively restore the appearance of your concrete surfaces and enhance the curb appeal of your home or business.


I believe in making the impossible possible because there’s no fun in giving up. Travel, design, fashion and current trends in the field of industrial construction are topics that I enjoy writing about.

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