Step 1
Inspect The Roof And Growth
We check what is actually present, streaking, moss, or lichen, and look at flashing, valleys, and shingle condition before treating.
Roof Cleaning In Mason, OH To Remove Black Streaking Safely
On an open street there is nothing between your roof and everyone driving past. Streaking on a large roof plane is the most visible thing on the block.
Learn More About This ServiceWhy Streaking Shows So Clearly On Mason Roofs
The black streaking running down asphalt shingles is not dirt and it is not weathering. It is a hardy airborne algae feeding on the limestone filler in the shingle, and once established it spreads steadily across the slope. It shows most clearly on large uninterrupted roof planes, which is exactly what these two-story homes have, and in neighborhoods with limited mature canopy there is nothing softening the view of it from the street.
Visibility is a genuine factor rather than vanity. Homes in these neighborhoods are similar in size and age and sit in clear sight of each other, so a streaked roof stands out against the ones around it in a way it would not on a wooded lot. It is consistently one of the first things people raise when they are preparing to sell, and it reads as deferred maintenance even on a house where everything else is immaculate.
The method matters more than most people realize. Shingle manufacturers specify low-pressure, solution-based cleaning, because pressure washing strips the granules protecting the shingle and shortens the roof's life substantially. On a roof this size that distinction is expensive. A pressure-washed roof can look acceptable for a season and then age dramatically faster, and replacing a Mason-sized roof early costs many multiples of having it cleaned correctly.
What Mason Homeowners Get
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The Roof Stops Aging The House
Streaking on a large visible plane reads as neglect from the street even when everything else on the property is maintained.
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Years Protected On A Large Roof
Algae and any moss present hold moisture against shingles. On a roof this size, added service life is worth real money.
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The Method Manufacturers Specify
Low-pressure soft washing is what shingle makers call for. Pressure washing strips protective granules and ages a roof prematurely.
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Equipped For Height And Pitch
Large two-story roofs need proper access and careful handling. We treat the whole roof rather than only the easily reached slopes.
Our Mason Roof Cleaning Process
Step 2
Protect Landscaping And Plan Runoff
Foundation beds are pre-wet and protected, and we decide where rinse water and runoff go before any solution is applied.
Step 3
Apply Solution At Low Pressure
A cleaning solution is applied gently across the slopes and given time to work through the algae rather than being forced off.
Step 4
Rinse Gently And Review Each Slope
The roof is rinsed at low pressure, landscaping is rinsed down, and we walk the result with you slope by slope from the ground.
Roof Cleaning FAQs
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Will roof cleaning damage my shingles?
Not with soft washing, which is the method manufacturers recommend. What damages shingles is pressure washing, because it strips the granules that protect them. On a roof this size that mistake is expensive, so we do not pressure wash roofs.
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Is this worth doing before selling the house?
It is one of the higher-impact things you can do. A streaked roof reads as deferred maintenance in listing photos and in person, and buyers frequently assume it means the roof needs replacing when it does not. It is a small spend against that impression.
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How much does roof cleaning cost in Mason?
It follows roof size, pitch, and access, and these are large roofs. Estimates are free and we will get a proper look rather than quoting from the street, because pitch and access affect the number as much as square footage does.
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How long before the streaking comes back?
Typically several years. The algae spreads by airborne spores, so nearby untreated roofs affect how quickly it returns, which in a neighborhood where houses sit close together is worth knowing.
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Should gutters be cleaned at the same time?
Usually yes, and roof first is the correct order, because cleaning the roof brings loosened growth and debris down into the gutters. On a large home doing both in one visit saves handling the same material twice and costs less than two trips.
Looking For Roof Cleaning In Other Areas?
We also offer roof cleaning in nearby communities. Choose another area below.
Other Property Care Services
"I am happy to recommend Clear Exterior. Jason was prompt in communication, reasonable in price and the before and after pictures tell the story. While I hope not to have as much dirt and moss on my walkway and roof, I will be calling Jason."
"Jason did a great job. He and his wife work well together. During the walk around, he offered to redo a few areas where the dirt was not removed completely to ensure that I was satisfied. Good luck, Jason and Clear Exterior! Wishing you a successful future!"
"Jason did great work on our home's driveway and front walkway. I didn't even notice just how dark some spots had gotten, especially our front steps, until he pressure washed them. I was amazed at the before and after! They look so much better now!"
"Jason replied promptly with a competitive estimate immediately after I reached out to him. He was able to fit me in his schedule the next day. He did a great job cleaning the dirt and algae off my brick patio. I will reach out to him with future needs and highly recommend him."
"Jason did a great job with the pressure washing of my house. He first contacted me about a month ago. (I think I had clicked Angi's List or something similar.) But anyway, when he first called me, I told him I work in taxation and would not have time to think about projects until after tax season was over, and to call me after April 17. And... unlike just about every other service provider - who would call me daily... Jason called me on April 18. And we went back and forth for a few days - mostly me asking questions... until we agreed he would pressure wash the house, patio, and driveway. And then he was available within that week! And stayed a bit longer to be sure everything was done right. Plus... he's the OWNER and started the business himself - not just someone who bought a franchise. (which is important to me - I like to support local business, even more so if it's an entrepreneur and not a franchisee.) And every time I pull into my driveway, I smile"
"We had a great experience with Jason at Clear Exterior! Scheduling was easy, and he did a thorough and professional job at an affordable price. He got our siding and our concrete looking fresh again. Highly recommended if you need some pressure washing done!"
Serving Cincinnati and Nearby Communities
We help homeowners across the Cincinnati area keep exterior surfaces clean, safe, and well maintained.
Service Area Map
Based in Cincinnati, we serve homeowners across Cincinnati and nearby communities.
West Chester
Liberty Township
Hyde Park
Pleasant Ridge
Sharonville
Milford
Batavia