Roof Cleaning

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Roof Cleaning/Moss Removal & Treatment

If you are experiencing moss growth on your roof, it is causing damage that should be addressed immediately. Moss’s roots damage your roof by slowly deteriorating the shingles and eventually the roof structural support if left unattended resulting in thousands of dollars of damage to your property. Moss also maintains moisture keeping you shingles and wood supports wet and accelerating rot.


If you are worried about roof integrity we only practice soft methods of cleaning this means NO pressure washing. Using hand brushing, air blowing and preventive treatments The ProClean crew can handle it all.


We provide safe, professional options and do not use caustic and/or poisonous chemicals. Our roof moss removal and treatment services are eco-friendly and extremely effective in getting the job done. When you call us to remove the moss from your roof, you can be rest assured the job will be done right the first time. This service will literally save your roof, and help extend its life significantly



Consider us for roof cleaning because: Prevent Roof Damage, Remove Debris, Moss, Algae, Safe Conscious Technicians, Licensed & Insured

What We Do

It is easy to do more harm then good when cleaning a roof and that is why it is extremely important to have the proper technique. Roofs are delicate and must be handled with the utmost care. Some companies may try to get every little bit of moss during the first cleaning but are forgetting about how it embeds onto the roof. At The ProClean Company we understand that removing what comes off safely then treating the remaining is the way to extend a life of a roof

Increased Property Value


Restore the overall appearance of your roof and curb appeal

Maximize Roof Life


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Roof Cleaning Questions and Answers

Knowing the right questions to ask will help identify the answers you want. We start off by evaluating the surface to understand which cleaning tips and detergents we’ll require to get things done safely

  • How often should I have my roof cleaned?

    Living in the Northwest comes with its unique home maintenance challenges. Moss grows on roofs starting around 4-6 years old. Regular blowing of the loose debris and annual treatments will help prevent moss growth. If you already have moss growing, removal is recommended during the hot summer months of July or August, but can be done any time. A "touch up" cleaning is recommended at minimum once a year.

  • What products/chemicals do you use?

    Cleaning products, such as 30-Seconds are effective on mildew buildup (coming from downspouts draining from upper roof to lower roof. For moss control we recommend a Zinc based product to help retard growth and prevent regrowth. We have organic soaps at request.

  • Is weather a factor?

    Usually weather is not a factor. With the exceptions of freezing weather and lightning, roof cleaning can be done safely in almost any sort of weather. We recommend getting the moss removed from your roof when its dormant (during July/August, but if you cant wait until then, we can clean it anytime.

  • What equipment do you use?

    There are many tools that we use when we clean. However we have found that a rake is the best option for precise removal of moss. We DO NOT pressure wash roofs. This is not recommended for most roofs. It is only preferred for metal or shake roofs, but we only clean composition based  or tile roofs.

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The ProClean Company provides Window & Gutter cleaning services to Puget Sound area including Bothell, Bellevue, Everett, Edmonds, Duvall, Issaquah, Kenmore, Kirkland, Mill Creek, Mountlake Terrace, Mukilteo, North Bend, Renton, Sammamish, Seattle, Shoreline, Woodinville areas





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