Are High Pressure Washers Good for Roof Cleaning?

High pressure washers are effective tools for cleaning a variety of surfaces, both indoors and outdoors. But are they good for roof cleaning?

The answer is yes-high pressure washers can be very helpful in removing the built-up algae, mold, and dirt from roofs. They can also help to restore the roof’s original color.

However, it’s important to use the right setting on the washer and to avoid using too much pressure, which could damage the roof. When used correctly, high pressure washers can be an excellent way to clean your roof.

Recommended PSI and GPM for Roof Cleaning

The recommended pressure setting for roof cleaning is between 1500 and 3000 PSI. The recommended flow rate is between 2 and 4 GPM. When using a high pressure washer for roof cleaning, it is important to use the right settings for your specific roof type. The recommended PSI and GPM vary depending on the material and type of roof.

For asphalt shingle roofs, a pressure of 1500-2000 PSI and a flow rate of 2-3 GPM is recommended.
For tile roofs, a pressure of 1500-2500 PSI and a flow rate of 2-4 GPM is recommended.
For metal roofs, a pressure of 2000-3000 PSI and a flow rate of 3-4 GPM is recommended.

It’s important to start with the lower end of the pressure range and increase as needed. It’s also important to hold the pressure washer nozzle at least 2 feet from the roof surface while cleaning.

In conclusion, high pressure washers can be good for roof cleaning, as long as you use the right setting and avoid using too much pressure. When used correctly, they can help to restore your roof’s original color.

If you have any questions about using a high pressure washer for roof cleaning, or if you need help choosing the right model, please contact us. We would be happy to assist you.