Can you remove moss from a metal roof?

• <div><p>Moss grows in dark areas of roofs, including in corners and gutters. If left alone, it can grow under roofing and cause permanent damage. Here’s <a href="https://www.angi.com/articles/moss-growing-my-roof.htm">how to remove moss from metal roofs</a>: </p><ul><li><p>Soak the moss to soften it</p></li><li><p>Scrub it away with a soft-bristled brush, or pick it off with your hands (be sure to wear gloves)</p></li><li><p>Use a moss remover that’s compatible with metal roofing, following the manufacturer’s directions</p></li><li><p>Remove dead moss and rinse the roof thoroughly</p></li><li><p>Prevent future moss growth by trimming branches, cleaning gutters, and attaching zinc strips to moss-prone areas</p></li></ul><p></p></div>

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Q: How do I maintain a sealed roof?

• <div><p>Inspect annually for damage, clean debris, and reapply sealant to maintain protection.</p></div>

Q: How do I maintain a wood shake roof?

• <div><p>Clean debris, treat for moss, and schedule regular inspections to prevent water damage.</p></div>

Q: Should you use a pressure washer to remove moss growing on a roof?

• <div><p>You could <a href="https://www.angi.com/articles/6-ways-void-your-roof-warranty.htm">void your roof warranty</a> using a power washer if you have a newer roof. With an older roof, you could knock loose older shingles. On the other hand, some people safely use a pressure washer to remove moss from a metal roof. Although you may want to use a pressure washer, the truth is that you probably don&rsquo;t need it to knock moss loose. A garden hose and brush will do the job just fine and in a safer manner than a pressure washer.</p></div>

Q: Can moss damage my roof?

• <div><p>Yes, moss can be dangerous for your roof if left in place to grow without treatment. The moss soaks up and holds moisture. Having a constantly damp roof could lead to problems with rot for the parts of the roof that consist of wood. Additionally, a patch of thick moss may draw insects and birds, which could damage the roof. Thick moss could block the roof&rsquo;s drainage system. Water then may back up after a rainstorm and cause further damage that could eventually lead to roof repair expenses or the <a href="https://www.angi.com/articles/how-much-does-roof-replacement-cost.htm">cost of roof replacement</a>.</p></div>

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Verified Reviews for Chimney Sweeping pros in Dyersville, IA

*The Angi rating for Chimney Sweeping companies in Dyersville, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Chimney Sweeping needs.

*The HomeAdvisor rating for Chimney Sweeping companies in Dyersville, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Chimney Sweeping needs.

Last update on November 15, 2025

Reviewed in November 2018
The chimney cleaning went very well. Fox Chimney Service has an automated email and text message application that kept me up to date on each step of the process. They arrived on time, completed the work in the time expected and gave me a receipt before they left. The cleaning for a 15 foot...
Fox Chimney Service LLC
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Reviewed in September 2017
Wes had rebuilt our chimney 20 years ago and done a very good job. The top flue tile had started to spall badly and needed to be replaced. The furnace flue was older than 20 years and had started to rust badly. Wes replaced the top fireplace flue tile, the top of the furnace flue and the chimney...
WES MASONRY
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Reviewed in July 2014
They charged for painting chimney cap and would not paint gutter facia boards.
CertaPro Painters of Marietta
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Reviewed in December 2013
I recently purchased a new home. Rainwater was leaking into the basement through cracks in the chimney and chimney cap. The estimate from Burd's Waterproofing included over $2500 in repairs that included a few other areas that could have the potential to leak. I decided to go with the most...
Burd's Waterproofing Inc
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Reviewed in May 2012
He comes every week without being reminded. He cleans up the sidewalks. He does a good job. I don't have any problems. I just know that on Fridays at 10:30, he will be out there cutting. I don't have to go out there, and sweep the sidewalks and patio. It's always edged and trimmed well.
Jesse's Lawn Service
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Reviewed in September 2011
They started the job during a heat wave and so we were sympathetic and fine with them working half days.The job took over a week, with them not showing up at all on some days. They continued to work some half days even after the heat wave ended. We heard the owner trying to talk his employees...
3rd Generation Roofing
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Midtown Chimney Sweeps of Cedar Falls

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Midtown Chimney Sweeps of Cedar Falls

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Free onsite estimate

Midtown Chimney Sweeps is ready to assist you in the maintenance and repair of your fireplace or chimney. Our certified chimney technicians will review any type of light chimney repair or maintenance that is recommended for your home. Chimneys are often one of the most neglected, undetected, or misdiagnosed systems in the modern American household. This is unfortunate, since the safe operation of our fireplaces and wood stoves requires a properly working chimney. During your annual chimney inspection, our certified chimney sweeps will be able to determine the condition of your chimney and offer solutions for chimney repair and maintenance should it be required.

Chimney Sweep questions, answered by experts

Inspect annually for damage, clean debris, and reapply sealant to maintain protection.

Clean debris, treat for moss, and schedule regular inspections to prevent water damage.

You could void your roof warranty using a power washer if you have a newer roof. With an older roof, you could knock loose older shingles. On the other hand, some people safely use a pressure washer to remove moss from a metal roof. Although you may want to use a pressure washer, the truth is that you probably don’t need it to knock moss loose. A garden hose and brush will do the job just fine and in a safer manner than a pressure washer.

Yes, moss can be dangerous for your roof if left in place to grow without treatment. The moss soaks up and holds moisture. Having a constantly damp roof could lead to problems with rot for the parts of the roof that consist of wood. Additionally, a patch of thick moss may draw insects and birds, which could damage the roof. Thick moss could block the roof’s drainage system. Water then may back up after a rainstorm and cause further damage that could eventually lead to roof repair expenses or the cost of roof replacement.

Moss grows in dark areas of roofs, including in corners and gutters. If left alone, it can grow under roofing and cause permanent damage. Here’s how to remove moss from metal roofs:

Soak the moss to soften it
Scrub it away with a soft-bristled brush, or pick it off with your hands (be sure to wear gloves)
Use a moss remover that’s compatible with metal roofing, following the manufacturer’s directions
Remove dead moss and rinse the roof thoroughly
Prevent future moss growth by trimming branches, cleaning gutters, and attaching zinc strips to moss-prone areas

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