Roof Cleaning Green Bay, WI
If your roof has black streaks, algae, moss, or dark staining, Peak Pro Wash provides professional roof cleaning in Green Bay, WI using a safe soft washing process designed to clean your roof without damaging your shingles.
Our roof cleaning service helps restore curb appeal, remove organic growth, and protect one of the most important parts of your home. Instead of blasting shingles with high pressure, we use a low-pressure cleaning method with professional-grade cleaning solutions to safely treat roof stains caused by algae, mildew, moss, and buildup common in Northeast Wisconsin.
Peak Pro Wash proudly serves homeowners throughout Green Bay, Ashwaubenon, De Pere, Howard, Suamico, Bellevue, and surrounding communities.
Looking for complete exterior cleaning? We also provide House Washing, Window Cleaning, and Concrete Cleaning services throughout Green Bay and surrounding communities.






Why Roof Cleaning Matters in Green Bay
Green Bay's climate creates ideal conditions for roof algae, moss, lichen, and black streaking. Between humid summers, frequent rainfall, shade from mature trees, and long Wisconsin winters, many roofs develop dark staining caused by Gloeocapsa Magma algae.
These black streaks are more than just an appearance issue. Algae can feed on roofing materials, trap moisture, and contribute to premature aging of asphalt shingles. Moss growth can also lift shingles and create areas where water can collect, potentially leading to damage over time.
Professional roof cleaning helps restore your home's appearance while removing harmful organic growth. A properly cleaned roof can improve curb appeal, protect your investment, and help maintain the life expectancy of your roofing system.
At Peak Pro Wash, we use a soft washing process specifically designed for asphalt shingles and other roofing materials. Our low-pressure cleaning method follows industry recommendations and safely removes roof algae and stains without the damage that high-pressure washing can cause.


Our Soft Wash Roof Cleaning Process in Green Bay WI
Unlike traditional pressure washing, our roof cleaning process is specifically designed to safely clean asphalt shingles and other roofing materials without causing damage.
1. Roof Inspection
Every roof cleaning service begins with an inspection of the roof surface. We identify algae growth, black streaking, moss, lichen, and other organic buildup to determine the safest and most effective treatment method.
2. Property Protection
Before cleaning begins, we take steps to protect landscaping, plants, outdoor furniture, and surrounding surfaces. We take pride in treating every property with care and respect.
3. Soft Wash Application
Our specialized cleaning solution is applied using low pressure to safely eliminate roof algae, mildew, moss, and staining. This process attacks the root of the growth rather than simply removing surface discoloration.
4. Long-Lasting Results
Because soft washing treats the source of the problem, roofs stay cleaner longer compared to traditional pressure washing methods. Homeowners throughout Green Bay appreciate the long-lasting results and improved curb appeal.
5. Final Inspection
Once the cleaning process is complete, we perform a final walkthrough to ensure the roof has been properly treated and the property is left clean and looking its best.
Black Streak and Algae Removal
One of the most common reasons homeowners contact Peak Pro Wash is because of black streaks on their roof. These dark stains are typically caused by Gloeocapsa Magma, an airborne algae that thrives in humid environments.
As algae spreads across roofing surfaces, it creates unsightly discoloration that can significantly reduce curb appeal. Left untreated, organic growth can retain moisture and contribute to premature wear on roofing materials.
Our roof algae treatment process safely removes black streaks and organic growth without the risks associated with high-pressure cleaning. The result is a cleaner, brighter roof and a home that looks better from the street.
If your roof has black streaks, moss, lichen, or visible algae growth, professional soft washing is one of the safest and most effective solutions available.
Safe Roof Cleaning for Asphalt Shingles
Many homeowners are surprised to learn that pressure washing a roof can actually cause damage to asphalt shingles. High-pressure cleaning can remove protective granules, shorten the life of the roof, and potentially void certain manufacturer warranties.
That is why Peak Pro Wash uses a soft washing method specifically designed for roof cleaning. Instead of relying on high pressure, our process uses specialized cleaning solutions and low-pressure application to safely eliminate algae, moss, mildew, and black streaks.
Soft washing is the cleaning method recommended throughout the exterior cleaning industry for most asphalt shingle roofs. It allows us to achieve outstanding results while protecting the integrity of the roofing material.
If you are looking for safe roof cleaning in Green Bay WI, our process is designed to deliver long-lasting results without the risks associated with traditional pressure washing.
Why Choose Peak Pro Wash for Roof Cleaning in Green Bay WI
When it comes to protecting your home, experience and attention to detail matter. At Peak Pro Wash, we treat every property as if it were our own and focus on delivering exceptional results while protecting your investment.
Homeowners throughout Green Bay choose Peak Pro Wash because we are:
• Fully licensed and insured
• Committed to safe soft washing methods
• Focused on protecting landscaping and surrounding property
• Dedicated to outstanding customer service
• Experienced in removing roof algae, moss, and black streaks
• Proudly serving Green Bay, Ashwaubenon, De Pere, Howard, Suamico, Bellevue, and surrounding communities
Whether your roof has light staining or heavy algae growth, we provide professional roof cleaning solutions designed to restore curb appeal and help extend the life of your roof.
Areas Near Green Bay We Serve
Peak Pro Wash proudly provides roof cleaning services throughout Green Bay and the surrounding Northeast Wisconsin communities.
Our service area includes:
Green Bay, WI – Professional roof cleaning, house washing, and exterior cleaning services.
Ashwaubenon, WI – Safe soft washing and roof algae removal for residential properties.
De Pere, WI – Roof cleaning solutions designed to remove black streaks, moss, and organic growth.
Howard, WI – Low-pressure roof cleaning services that help restore curb appeal and protect roofing materials.
Suamico, WI – Professional exterior cleaning and roof soft washing for homeowners throughout the area.
Bellevue, WI – Safe and effective roof cleaning services using manufacturer-recommended soft washing methods.
If you are located near Green Bay and are unsure if we service your area, contact us and we will help deterimine what we can do for you.
Frequently Asked Questions About Roof Cleaning
How often should a roof be cleaned?
Most roofs benefit from professional cleaning every 3–5 years depending on tree coverage, moisture levels, and algae growth.
Are black streaks on my roof harmful?
Yes. Black streaks are typically caused by algae that can retain moisture and contribute to premature roof deterioration if left untreated.
Is roof cleaning safe for asphalt shingles?
Yes. Our soft washing process is specifically designed to safely clean asphalt shingles without causing damage.
Do you use pressure washing on roofs?
No. We use low-pressure soft washing methods because high-pressure washing can damage roofing materials.
How long do roof cleaning results last?
Results vary depending on environmental conditions, but many roofs remain clean for several years after treatment.
Request Your Free Roof Cleaning Estimate
If your roof has black streaks, algae, moss, or visible staining, Peak Pro Wash is ready to help.
Our professional roof cleaning service safely restores the appearance of your roof using proven soft washing methods designed to protect your investment.
Call 920-393-7907 today or request a free estimate online to learn more about our roof cleaning services in Green Bay, Ashwaubenon, De Pere, Howard, Suamico, Bellevue, and surrounding communities.
