Jeff Kirby

Reviewer

Jeff is our head reviewer here at PressureWashersReview.co.uk and has over 10 years in the commercial pressure washing business. What he doesn’t know about pressure washers isn’t worth knowing.

In short:

Yes, a pressure washer can remove paint from concrete, especially when combined with appropriate cleaning agents and techniques. However, using the wrong pressure settings or nozzle can potentially damage the concrete surface.

 

The details:

To effectively remove paint from concrete using a pressure washer, it’s important to consider several factors, including pressure settings, nozzle choice, distance from the surface, and the use of cleaning agents.

Pressure settings and nozzle choice: Selecting the right pressure settings and nozzle is crucial. For removing paint from concrete, you’ll typically need a higher pressure setting and a narrow-angle nozzle, such as a 15-degree nozzle, to focus the water stream and lift the paint.

However, be cautious when using high pressure, as it may also damage the concrete surface or erode the aggregate.

Distance from the surface: Maintaining a safe distance between the pressure washer nozzle and the concrete surface is essential. Start at least 12 inches away and adjust as needed, depending on the effectiveness of the paint removal and the condition of the concrete.

Cleaning agents: For better results, consider using a cleaning agent or a paint stripper specifically designed for concrete surfaces. Apply the cleaning agent to the painted area, let it sit for the recommended time, and then use the pressure washer to remove the paint.

Technique: When pressure washing, move the nozzle in a consistent sweeping motion, overlapping each pass to ensure thorough paint removal. This also helps prevent streaks or lines on the concrete surface. Test a small area: Before tackling the entire project, it’s a good idea to test a small, inconspicuous area to ensure that your pressure washer settings and technique are appropriate for the specific paint and concrete surface.

Sale
Bosch High Pressure Washer AdvancedAquatak 140 (2100 W, 140 Bar Pressure, Max. Flow Rate 450 l/h, Max. Flow Temperature: 40 °C, Hose Length 5 Metres, in Carton Packaging)
  • The advanced garden product from Bosch - most powerful for the highest demands and biggest projects
  • Jet washer provides 450 Litre of water an hour thanks to the powerful 2100 W motor and 140 bar pressure
  • Additional storage space thanks to the integrated storage compartment
  • Versatile cleaning performance: From stubborn dirt to every day cleaning tasks thanks to the wide range of included nozzles
  • Scope of supply: AdvancedAquatak 140, Bosch metal high-pressure gun, lance, 8 m high-pressure hose, variable fan jet nozzle, rotary nozzle, high pressure detergent nozzle (550 ml), water filter, in carton

Conclusion:

A pressure washer can effectively remove paint from concrete when used with the right settings, nozzles, cleaning agents, and techniques. Be cautious when using high-pressure settings and maintain a safe distance to avoid damaging the concrete. By following these guidelines and testing a small area first, you can achieve great results in paint removal from concrete surfaces.