What are signs I need a professional roof cleaning?

• <div><p>Even though you don’t look at your roof often, there are some telltale signs that you should have your roof professionally cleaned. It’s best to hire a professional roof cleaner as soon as you notice signs of wear and tear to preserve the essential feature’s longevity. Some indicators to look out for include:</p><ul><li><p><a href="https://www.angi.com/articles/why-gutter-cleaning-so-important.htm">Leaf buildup in gutters</a></p></li><li><p>Dirt and grime buildup</p></li><li><p>Moss or black algae growth</p></li><li><p>Dirt buildup under shingles</p></li><li><p>Shifting roof shingles</p></li><li><p>Plant growth</p></li></ul><p></p></div>

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Q: When is roof cleaning necessary for a home?

• <div><p>Roof cleaning is typically necessary annually, although homes in moist or heavily polluted areas may require more frequent service to prevent buildup.</p></div>

Q: What time of year do you remove algae from a roof?

• <div><p>Ideally, you will tackle removing algae from your roof during spring or summer when the weather is drier and warmer. Because algae tends to grow during the colder and wetter months, you want to tackle this project before the temperature drops to hopefully keep it from coming back at all.</p></div>

Q: What are signs I need a professional roof cleaning?

• <div><p>Even though you don&rsquo;t look at your roof often, there are some telltale signs that you should have your roof professionally cleaned. It&rsquo;s best to hire a professional roof cleaner as soon as you notice signs of wear and tear to preserve the essential feature&rsquo;s longevity. Some indicators to look out for include:</p><ul><li><p><a href="https://www.angi.com/articles/why-gutter-cleaning-so-important.htm">Leaf buildup in gutters</a></p></li><li><p>Dirt and grime buildup</p></li><li><p>Moss or black algae growth</p></li><li><p>Dirt buildup under shingles</p></li><li><p>Shifting roof shingles</p></li><li><p>Plant growth</p></li></ul><p></p></div>

Q: What kills green algae?

• <div><p>Vinegar, bleach, chlorine, barley straw, and a bevy of dedicated algaecides can kill algae, which is the easy part. Preventing algae from returning can be a struggle for some homeowners, but keeping the patio well-maintained and clean is a good first step. </p></div>

Q: How much snow is too much snow on a roof?

• <div><p>Generally, snow removal from a roof should occur once <b>over six inches of snow</b> accumulates, especially if you notice that ice dams have formed. Without <a href="https://www.angi.com/articles/7-questions-ask-hiring-ice-dam-removal-company.htm">ice dams</a>, you can let the snow accumulation hit 12 inches before removing it. However, the amount of snow that is too much for your roof also depends on the sturdiness of your roof and the compactness of the snow. If your roof needs maintenance or has structural issues, it&rsquo;s best not to let the snow accumulate too much for fear of collapsing.</p></div>

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Verified Reviews for Roof Cleaning pros in Lancaster, MO

*The Angi rating for Roof Cleaning companies in Lancaster, MO 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 Lancaster, MO 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 29, 2025

Reviewed in March 2025
3 step was fantastic to work with. They shared their knowledge and help us make the best decision for our circumstances and our roof. We were extremely happy with their service, price and timeliness. They did everything they said they would and more!!! Their cleanup was fantastic!!!
3 Step Roofing
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Reviewed in November 2024
Professional, constant contact to keep you informed of what was happening. Cleaned up the mess. Workers were very courteous. And the roof looks gorgeous.
5G Roofing and Exteriors
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Reviewed in October 2024
I was contacted by this company to discuss a free estimate on the roof. There have been a lot of storms coming through the Midwest. The guy that came out, Matt O'Hara, was Incredible. There was storm damage. He helped me file a claim with the Insurance Company. Everything was covered. ...
Enterprise Contracting, Inc.
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Reviewed in August 2019
They re pricey, but their work and customer service are stellar! I m confident my roof will stand up to the elements for years to come.
AAPCO, LC RIC
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Reviewed in January 2017
work completed in a timely manner especially considering all the hurricane damaged roofs- it was not an insurance job and had been quoted before the storm workers showed up each day and were polite and kept a clean worksite two issues were reported however it took a couple of weeks for Crown...
A Crown Roofing Inc
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Reviewed in March 2016
Had my metal roof replaced and the sides of my barn painted. Jay does a great job, clean, professional picked up after themselves. Pricing was fair and on target. Will use J. Wells for any future projects.
J Wells Construction
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Reviewed in October 2015
We had a ceiling water leak in our guest bedroom. Zack came out and examined our roof, finding hail damage. He explained what was needed, and worked with our insurance company in placing our claim. His crew had the roof repaired/replaced within two days. We also had them put up new gutters...
Schneider Roofing, Remodeling
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Reviewed in February 2015
The technician came out and installed the hardware and wiring. The receiver is a small rectangular device that is installed on the roof of the house. A small connection box is located inside the house. The entire installation went well and looks very good.
BAYS-ET High Speed Internet
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Reviewed in October 2014
First Midwest Construction Group gave a quote to replace our roof and gutters. Based on the quote we choose them. Then we were told they were going to use sub par roofing material. We contacted them and they agreed to use a higher quality roofing material at no additional cost since we had...
Midwest Construction Group, LLC
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Reviewed in April 2013
I own a 60 year old home with 60 year old windows. Tim Feth and his employees replaced the windows, roof, and painted the exterior. He did not just roof over the existing shingles, he tore it all off and replaced the roof. After all his jobs, he cleaned up every bit of his work. I have not...
J's
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Asphalt Shingle Roofing Installation and Replacement

Asphalt Shingle Roofing Repair

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InsulTech Enterprises

InsulTech Enterprises

ACO Do-It

ACO Do-It

First Class Roofing& Remodeling

First Class Roofing& Remodeling

Mint Service Contracting

Mint Service Contracting

ALL-N-ALL CONSTRUCTION, LLC

ALL-N-ALL CONSTRUCTION, LLC

John K Geringer Construction

John K Geringer Construction

Walker Exteriors & Cleaning Services

Walker Exteriors & Cleaning Services

Nunezotw

Nunezotw

TTB Roofing&Construction LLC

TTB Roofing&Construction LLC

Another Level Construction

Another Level Construction

The Lancaster, MO homeowners’ guide to roof cleaning services

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