Roof Cleaning

Find a roof cleaning professional near Vancouver, WA

Find a roof cleaning professional near Vancouver, WA

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Top 10 Roof Cleaning Professionals near Vancouver, WA

Q & A

Answers to commonly asked questions from the experts on Thumbtack.

How often should you clean your roof?

Some roof cleaning companies recommend that you clean your roof every couple of years, but you might need to do maintenance every year depending on the type of roof you have, the climate and the weather. Roofs in harsher climates tend to require more frequent cleaning.

Can a roof be cleaned?

Yes roofs can be cleaned, and yes, it’s a real thing. Roof cleaning may actually be a wise investment to prolong the life of your roof. Overgrowth of moss, grime, lichen or algae can all shorten the life of your roof. If you have black streaks growing on your roof, they are likely caused by gloeocapsa magma algae spores that have landed on your roof and taken up residence. Once the algae has grown into streaks, the organism has usually been growing for several months and it’s high time to have it removed. If you live in a rainy part of the country, such as the Pacific Northwest, there’s a good chance you’ll find moss growing on your roof at some point. The northern part of your roof, as well as any parts that remain shaded all day, will provide a wet, cool haven for moss to flourish. Unfortunately this water-absorbing moss can damage your shingle roof, leading to rot if not removed. Beyond roof health and function, a clean roof can boost your curb appeal and potentially boost your home’s resale value. The national average for roof cleaning costs ranges between $270 and $350, although prices can be higher depending on how large your roof is, how steep your roof is, and what type of cleaning is necessary. Typically pros use either a pressure wash or chemical wash (made with a concentrated bleach solution) to remove algae, lichen, moss and dirt.

Is it worth it to hire a roofer?

There are several reasons why it’s worth it to hire a professional roofer instead of attempting it yourself. The first is safety. Roofing is inherently dangerous, as a fall from a roof could seriously injure or kill you. Roofers have specialized equipment and training to help prevent accidents.  

Next is experience. Roofers know how to spot problems (leaks, missing shingles, moss or mold growth, etc.)  in your roof that could potentially save you from costly repairs down the road. 

And finally, roofers save you time by getting the job done quickly and with a high degree of quality.

Why do I need to clean my roof?

Over time, algae, moss, lichen, dirt and even salt (if you’re near the ocean) can build up on your roof. These buildups can affect the look and function of your roof unless removed. The buildup of organic materials such as moss on a shingle roof can prevent water from sloughing off as it normally would. Trapped water can rot the roof or cause early deterioration of your shingles. Even if you don’t have a shingle roof, moss and lichen absorb water, and that wet material adds weight and stress to your roof — as well as providing a home for insects and other pests, and collecting dirt. For reflective, cool roofs that redirect heat away from the home, algae and moss growths can hamper their ability to deflect the sun, which can affect utility bills. Visually, moss, dirt and algae growths on a roof can have a negative effect on perceived home value and curb appeal. For example, black algae streaks on your roof may cause a potential homebuyer to assume that the roof might need repair or replacement, when it only needs to be cleaned.

How much does it cost to clean a roof?

The national average for roof cleaning costs ranges between $270 and $350. Factors that can affect the cost to clean your roof are the height of your house, the size and pitch (steepness) of your roof, and the complexity of your roof’s design and accessibility. Geographic location also plays a role in roof cleaning costs as regional labor rates and area costs to do business will vary. There are several ways to clean a roof. The most common is pressure washing. Industrial pressure washers can spray over 3,000 pounds per square inch (psi) of water — which is much too powerful for roof cleaning, and may tear off shingles and damage your roof. Confirm that the roof-cleaning pro you choose will only use a low-pressure sprayer to protect your roof investment. For large algae or moss growths, pros often recommend a combination of low-pressure washing with a bleach-based chemical solution. This is referred to soft washing and should handily remove any growths taking over your roof.

What chemicals are used to clean roofs?

Roof cleaning is done to remove moss, lichen, algae, and buildup of other grime and dirt. There are several methods for roof cleaning, which can include a chemical soft wash, pressure washing, low-pressure washing and hand washing. When a chemical soft wash is used, a bleach mixture is sprayed onto the roof. The bleach-based solution is absorbed by the algae or moss, which dies from exposure to the chemical. The roof is then sprayed with a low-pressure rinse of water, which loosens the now-dead material, allowing it to slide off the roof.

For homeowners, the Asphalt Roofing Manufacturers Association recommends a mixture of 50 percent laundry-strength liquid chlorine bleach and 50 percent water. Professional roof cleaning companies will use an industrial mixture that is still safe but may be more effective in eliminating algae and moss growths. Asphalt shingle roofs are the most common type of roof, but each roofing material will have its own cleaning needs, so it’s best to consult with your roofing pro before diving in. Don’t do it yourself unless you can safely navigate your roof, the chemicals and a sprayer system. When in doubt, leave it to the pros.

Reviews for Vancouver roof cleaning professionals
Kristin M.
Full roof moss removal, gutter cleaning and sloping!
Alan H.
I hired CWAGS through Josh Bert to clean and treat my roof. The 2 man crew arrived at the designated time. They introduced themselves, were polite and friendly. They cleaned the roof, gutters and around the house in about 2 hours. Once the roof was cleaned they sprinkled a moss inhibitor on the roof. There was one place that need some additional attention and they quickly took care of my concern. I would use them again.
Thumbtack Customer
Could not have been better. Roof and windows were cleaned.
Twin Eagle Exterior Maintenance LLCTwin Eagle Exterior Maintenance LLC
Meg R.
I hired ian to clean my house and garage roofs, he did a great job. As a bonus he cleaned the roof of my deck and workshop as well, without jacking up the price. Communication was great, super easy to work with. I would recommend his work.
Tobias Exterior CareTobias Exterior Care
Michele B.
Crux Roofing did a great job on our roof. They answered all of my questions quickly, both before the job and during. The crew arrived early, and from the initial sweeping of our roof, the application of the solution, cleaning of our gutters, to the cleanup at the end, they were excellent. Highly recommended!
Crux Roof & Gutter CleaningCrux Roof & Gutter Cleaning
Maria G.
UpRight Exterior went above and beyond what I expected. They were hired to clear and clean off the moss that had built up on our roof. They also cleaned out the adjoining deck roof which I did not expect. My house looks awesome! Thank you.
UpRight Exterior ServicesUpRight Exterior Services
Fekusone P.
Response time from Eduardo was quick of J.L Roofing, he arrived on a weekend at the time I requested which was 8:00am. He went up on the roof he did an assessment showed me the pictures of the roof and the moss and pine needles on top. My roof had not been cleaned in a few years. He told me what his company does when cleaning the roof, the technique and the cost. I like that it preserves more of the life of the shingles. Due to the other reviews that I read about his company. After speaking with him and answers that he gave, it was an easy selection of him and his company. He arrived on the day we selected, when straight to work. After the job showed me the pictures and everything was done outstanding. They cleaned the gutters and did the post cleaning around my house raking and picking up the debris. Eduardo and his company J.L Roofing LLC is an automatic rehire, job well done. Thank you!
J.L Roofing LLCJ.L Roofing LLC
Nick M.
Good communication. Arrived as scheduled and went straight to work on the roof. Ian did a great job removing the moss from the roof and cleaned up afterwards. Wouldn’t hesitate to use Tobias Exterior Care for any future work
Tobias Exterior CareTobias Exterior Care
Karen D.
These guys did a great job cleaning the roof of my two-story home and treating the moss. Good price for the job.
K&K Roofing.K&K Roofing.
Scott L.
They were great! Roof is clean and beautiful again, and Alex was not just talented and timely but friendly and easy to talk to as well. Thanks!
GreenLeaf Property ServicesGreenLeaf Property Services
Carolyn W.
My roof had heavy moss that was lifting up the shingles. Tobias was very responsive to my request for quote and within my budget. He came out within 2 days of contact. It took about 3 hours, my roof and gutters are clean and the roof is treated. He is very nice and respectful of my yard. Thank you for such a professional and thorough job!
Tobias Exterior CareTobias Exterior Care
Mark C.
Eduardo did an excellent job and kept me thoroughly informed through the process of roof cleaning. He and his team worked hard to make sure that the job was done right given the failure of a previous contractor who left the job unfinished. I would highly recommend him to anyone looking for a quality roof clean. Will definitely use him again. Thank you!
J.L Roofing LLCJ.L Roofing LLC
Dick F.
TEC did a good job on cleaning moss off our roof. Prompt, professional, and knowledgeable. Would recommend him for your projects. Dick F
Tobias Exterior CareTobias Exterior Care
Helen C.
They were very outgoing, explained what they were doing. My roof looks gorgeous. I will hire them again. Also, they cleaned up everything.
Laura L.
Brock was quick to respond to my inquiry and we were able to set up an appointment to have our roof cleaned within a couple of days. He was friendly and respectful. They did a great job cleaning off our roof and cleaning up the left over debris on the ground. I have to give four stars due to the fact that he was not wearing a mask when he walked up to give me a quote. He (and his crew) did mask up when I requested them to. We would their services again.
Brock's Exterior ServicesBrock's Exterior Services
Gene E.
When it comes to the best roof care, Ian and his company provided excellent services at a very reasonable price (best out of the bunch as far as value is concerned). He cleaned and treated my roof and gutters properly and effectively in a timely manner. I am extremely happy with the result and look forward for future home care services with Ian and Tobias Exterior Care.
Tobias Exterior CareTobias Exterior Care
Thumbtack Customer
He was very professional and quick with his service. He was also very thorough to explain the process with us and thorough with this cleaning of my roof as my husband inspected the work. They were great and very friendly!
Capital Janitorial CompanyCapital Janitorial Company
Craig T.
I contracted Cwags to clean the roof of debris and moss, clear gutters and down spouts, and treat the roof. The roof had moss everywhere but it was not thick. There was a lot of debris. Gutters were packed full. The crew did the job in about 3 hours which is really good. Service was great. The crew did a good job. The price was excellent. Over all I am satisfied with the job and would hire them again. Only reason they didn't get 5 stars was there was still some debris left after the job was done. Not a ton just enough that I will do a little extra cleaning this weekend. I've attached some photos. Sorry there are no before photos to show how awesome they did. Thanks Cwags!
Thumbtack Customer
Thought I paid to much for work performed. But I do not have a good basis for that judgement due to lack of experience hiring work to be done. Arrived next morning. Did job quickly and cleaned up afterwards. Pleasant to work with. Did everything needed. Did no damage to roof. Cleaned gutters, swept off roof, installed drain screens. (I specifically did not allow pressure washing.) Glad I hired someone to do this as I am now too clumsy to move around on the roof. I have fallen off my ladder 3 of the last 5 times I have used it. So anything over about 8 feet high I should get someone else to do it.
Capital Janitorial CompanyCapital Janitorial Company
Luke S.
Tobias did a fantastic job on the roof cleaning and install of gutter screens. He was excellent communicating and responding to my changing schedule (due to another contractor having repeated delays). I would highly recommend Tobias Exterior Care.
Tobias Exterior CareTobias Exterior Care
Parke A.
I had waited a little too long to have my roof cleaned, and there was quite a bit of moss. They did an incredible job of getting it cleaned up. He was reasonably priced, got the job done quickly, and was very professional. He took before and after pictures of everything, so I was able to inspect the work.
GreenLeaf Property ServicesGreenLeaf Property Services
Lori W.
Ian went above and beyond with the moss removal and cleaning of our large, multi-hip and valley tile roof; truly, the best cleaning we’ve ever had. He also took special care by tarping our multiple rock dry beds and took extra time in cleaning up when he was finished. I would highly recommend him as his work was of stellar quality.
Tobias Exterior CareTobias Exterior Care
Nancy N.
These guys did an outstanding job. They worked long and hard to make my roof completely clear of moss and cleaned all the gutters and downspouts. They were tidy and left everything in great shape. I would hire them again and again, Thank you!!
Vizible Maintenance LLC.Vizible Maintenance LLC.
Byron M.
Ian did a great job cleaning our roof and installing metal gutter guards. He responded quickly for a quote, gave a reasonable estimate, showed up on time, cleaned up, cleared driveway of debris, was really efficient, and did a great job. My neighbor asked me for Ian’s information the same day! Highly recommend, and I plan to have Ian out again in the future.
Tobias Exterior CareTobias Exterior Care
Thumbtack Customer
CWAG was great from beginning to end. Josh responded almost immediately to my request and was able to make a trip out to my property the same day to give me an accurate estimate. CWAG cleaned the moss off of my roof, treated the roof and cleaned the gutters for significantly less than the other vendors that bid for the job. Josh was great to work with all the way from California. He worked with my tenant and was able to get out within days of me reaching out. And to top it all off... the quote, invoice and payment process is all conveniently taken care of via their website. Love it! Great people, quality work and super convenient payment process. Thumbs WAY up!
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