How can I clean the outside of my house without a pressure washer?

• <div><p>Long-handled telescopic brushes are the best way to clean the outside of a house without a pressure washer. There are even special attachments for <a href="https://www.angi.com/articles/clean-outside-windows.htm">cleaning the outside of windows</a>. Use a gentle cleaning solution for both the roof and siding to avoid harming the finishes. Be sure to rinse the area thoroughly with a garden hose after scrubbing.</p></div>

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Q: How do you prevent moss from growing on a roof?

• <div><p>You may become so frustrated with the look of moss on your roof that you contemplate whether to <a href="https://www.angi.com/articles/4-reasons-clean-your-roof-instead-replacing-it.htm">clean or replace your roof</a>. Fortunately, you don&rsquo;t have to go as far as replacing it. After cleaning the moss, you can use a chemical solution to keep it away. For further protection, trim branches that overhang the roof, as fallen seed pods and leaves on the roof allow moisture to collect, encouraging moss growth. Consider adding zinc-coated flashing to the roof, too. As rain washes across the zinc, it leaves zinc particles behind that inhibit moss growth.</p></div>

Q: Can you clean algae off a metal roof?

• <div><p>It may require stronger cleansers or chemicals, higher-pressure spray, or scrubbing to completely remove algae from a metal roof. Start with a mild cleanser; if that doesn&rsquo;t work and you're comfortable doing so, use a stronger mix of ⅓ cup of laundry detergent, 1 quart of bleach, and 3 quarts of water to gently scrub the algae with a soft-bristled brush. If algae is present across large portions of your roof, doesn&rsquo;t come off with gentle scrubbing and cleansers, or is in hard-to-reach areas, this may be a job better left to a pro.</p></div>

Q: What happens if you leave snow on your roof?

• <div><p>You may be wondering if you really need the snow removed from your roof. Since most roofs can only handle 20 pounds per square foot of snow accumulation, there is a tipping point when you are suddenly at risk of roof collapse. This can cause a lot of damage, not just to your home, but to your belongings, too. It also poses a physical danger to your family. Also, a lot of snow on a roof makes it more susceptible to ice dams, leaks, and water damage.</p></div>

Q: Is bleach or vinegar better to kill moss?

• <div><p>Bleach and vinegar can both kill moss effectively. However, if you&rsquo;d rather use a non-chemical option that&rsquo;s better for the environment, vinegar is the choice. Depending on the paver material you use, vinegar and bleach can also stain or discolor the surface. When unsure, test and use the option that doesn&rsquo;t react with your paver material. </p></div>

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Verified Reviews for Roof Cleaning pros in New Berlin, NY

*The Angi rating for Roof Cleaning companies in New Berlin, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Roof Cleaning needs.

*The HomeAdvisor rating for Roof Cleaning companies in New Berlin, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Roof Cleaning needs.

Last update on November 10, 2025

Reviewed in August 2025
Clean , neat , professional, fair price
Robert's Plumbing Service
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Reviewed in September 2024
Dan's team was absolutely amazing, and the new roof looks beautiful on our 1800s farm house! At the first visit Dan was able to answer all of our questions in detail and provided examples of the exact product we were getting. He accommodated a few specific requests that went beyond just the...
Quality Roofing and Siding
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Reviewed in August 2024
They had to travel a long distance to do the job. Must be groups closer that could do it. Always cheerful. They took off and replaced solar panels on my roof.
Next Level Energy
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Reviewed in March 2024
Had Nick at A1 clean my house and garage I couldnâ t believe how dirty they actually were it looks like a new place will definitely be calling him back for a yearly cleaning
A1 Mobile Wash
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Reviewed in April 2022
Andrew worked hard and installed a rubberized roof on my low slope roof that leaked beause of a another roofer's faulty installation of a shingles roof. He did what I needed done efficientls and timely. He wanted to please me. He did more than he had planned with diligence.
Andrew L. Sacco General Contracting LLC
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Reviewed in January 2017
They did a great job and cleaned up yard well.
Glinski Tree and Landscaping
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Reviewed in December 2016
I cannot say enough about EAW. They saved my life and got my new roof on super fast. They do awesome work at a fair price. Thank you
EAW Roofing and Construction Inc
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Reviewed in December 2015
Thanks Mike and crew for a job well done! The work was done quickly, the crew was friendly and they left behind a very clean job site! The new roof looks fabulous. Watching the crew work was like watching a ballet- they have obviously worked together long enough that they can predict each...
Berkshire Roofing Gutter Co LLC
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Reviewed in September 2015
My project was re-insulating a/c ducting, patching existing roofing and painting on a Brooklyn brownstone flat roof. They were very easy to work with, prompt and competent. My issue is that the painting was done in a slightly haphazard way, with drip marks and uneven margins in many places. ...
Israel Construction Corp.
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Reviewed in May 2015
Kept every promise they made and were efficient in every sense of the word. After they were done there was pretty much no sign they had ever been there, except, of course, for the new and beautiful roof. Professionals all the way!
CMV Contracting
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Asphalt Shingle Roofing Installation and Replacement

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Alpha Roofing Inc.

Alpha Roofing Inc.

Hemlock Builders

Hemlock Builders

Rebel Roofing

Rebel Roofing

Ryans Renovation

Ryans Renovation

Erb Pro Contracting

Erb Pro Contracting

McGarvey Construction

McGarvey Construction

Sarna Construction

Sarna Construction

Hogwash Cleaning Solutions

Hogwash Cleaning Solutions

Galster Cleaning Service

Galster Cleaning Service

The New Berlin, NY homeowners’ guide to roof cleaning services

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