How to Clean a Metal Roof
Painted metal roofs last a long time, but dirt, algae and chalky paint make them look older than they are.
Protect the finish
The painted coating is what protects the metal. Abrasives and harsh chemicals can damage it.
Low pressure
A mild cleaner and low-pressure rinse handle most buildup. Follow the panel maker's care guidance.
Safety
Metal roofs are slippery, especially wet. Roof work is best left to crews with fall protection.
What to avoid
- Abrasive pads
- Walking on a wet metal roof
When to call a professional
Send a photo of your roof and we'll quote a soft wash cleaning. See our roof cleaning service.
What customers say
"First Class Cleaning washed our entire church building roof to ground. The building had built up quite a bit of algae and mildew over the years. It now looks brand new. The guys worked with our preschool and ministry schedule. They got the job done quickly and at a fair price."
Henry H. · Google Review
"I used First Class Pressure Cleaning to seal my aggregate driveway and they did a fantastic job. It was in rough shape as we had never sealed it before. Lots of salt damage as well from trying to de-ice the last winter storm. It looks so much better now. They even came back the next day for touch-ups on some areas where the winter salts had worn through to the concrete. Very happy with this company and the work they’ve done!"
Dan · Google Review
"Amazing service and extremely professional!!! All looks amazing :)"
Jennifer B. · Google Review
96 Google reviews from homeowners and businesses across Middle Tennessee. Read them all on Google.
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Related guides
- What Are the Black Streaks on My Roof?
- Moss on Your Roof: Why It Grows and How to Remove It Safely
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- How to Clean a Concrete Pool Deck Without Harming the Pool
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