Your Modified Bitumen Systems and Your Commercial Property
Expert Commercial Roofing Solutions for Modern Businesses
What Are Modified Bitumen Systems?
Your business depends on a reliable roof, and at Great Lakes Commercial Roofing, we ensure you get the best. We specialize in high-quality commercial roofing systems that withstand the toughest conditions while keeping your building secure, energy-efficient, and structurally sound. A failing roof can disrupt operations, lead to costly repairs, and even put your business at risk. That’s why choosing a professional, experienced roofing team is essential.
Whether you need repairs, maintenance, or a full installation, we deliver dependable service tailored to your unique needs. Our goal? To give you peace of mind so you can focus on running your business without worrying about your roof.
Modified bitumen roofing, a time-tested system known for its resilience, flexibility, and cost-effectiveness is designed to handle extreme weather and heavy foot traffic. Modified bitumen is an excellent choice for commercial properties looking for a long-lasting and durable roofing solution.
Key Benefits of Modified Bitumen Roofing Systems
Modified bitumen roofing is a high-performance, multi-layer system designed for flat or low-slope commercial roofs. Engineered for durability and weather resistance, this system offers superior protection for your business. Unlike traditional roofing materials, modified bitumen is reinforced with polymer-modified asphalt, which enhances its strength and flexibility, making it ideal for withstanding temperature fluctuations and extreme conditions. A few benefits include:
- Superior Durability – Resistant to extreme weather, UV exposure, and heavy foot traffic.
- Flexibility – Expands and contracts with temperature changes, reducing cracks and leaks.
- Energy Efficiency – Reflective coatings help lower cooling costs, improving insulation and reducing energy bills.
- Cost-Effective – Affordable installation with long-term savings on maintenance and repairs.
- Waterproof – Excellent resistance to standing water and leaks, preventing costly water damage.
- Easy Repairs – Damaged sections can be patched without requiring a full roof replacement.
- Proven Longevity – A properly maintained modified bitumen roof can last 20-30 years, providing dependable protection for decades.
Why Choose Modified Bitumen for Your Commercial Roof?
When selecting a roofing system, business owners need reliability, affordability, and longevity. Modified bitumen delivers on all three. This system has been trusted for decades due to its proven resistance to harsh weather conditions, minimal maintenance needs, and long lifespan. Designed to withstand the demands of commercial buildings, modified bitumen continues to be a top choice for those seeking cost-effective and durable solutions. With its layered asphalt structure, reinforced with materials such as fiberglass or polyester, it provides exceptional protection against environmental wear and tear.
With modified bitumen, you can expect:
- A lifespan of 20–30 years with proper care, ensuring long-term value for your investment.
- Lower repair costs compared to other systems, reducing ongoing expenses.
- Reduced risk of leaks and moisture damage, keeping your building safe and secure.
- Enhanced safety with outstanding fire and impact resistance, offering peace of mind in various conditions.
- Installation
- Modified bitumen roofing is typically applied in layers through techniques such as torch-down or cold-applied adhesives.
- Many other roofing systems, like PVC or metal roofs, offer easier installation processes but may compromise on layering protection.
- Cost
- The cost of modified bitumen is moderate compared to lower-cost systems like EPDM or higher-cost systems like standing seam metal roofs.
- Its cost is justified by its longevity and lower maintenance needs.
- Lifespan
- Modified bitumen lasts around 20 years with proper maintenance, similar to TPO but less than metal roofs, which can last 50+ years.
- Energy Efficiency
- Reflective coatings can enhance the energy efficiency of modified bitumen roofs, though TPO and PVC systems may inherently offer higher reflectance properties.
Installation Process for Modified Bitumen Roofing
Modified bitumen systems can be installed using several techniques, each with its own advantages. We will consult with you on what method is best for your business:
- Torch-applied – Heated to adhere to the surface.
- Cold adhesive – Uses a solvent-based adhesive for flameless application.
- Self-adhered – Peel-and-stick sheets for quick installation.
- Hot-mopped – Asphalt-based application for extra bonding.
Quality Commercial Roofing
Fully Insured & Bonded
Assurance backed by comprehensive insurance and workers compensation coverage for complete peace of mind.
No Subcontracted Labor
Roofs are installed by trained technicians, no subcontractors. This means quality work Every. Single. Time.
Top Secret Clearance
Every employee is background checked, drug tested and has passed top security clearance.
Factory Trained
Expertise honed through rigorous training in top-tier manufacturing environments.
BBB A+ Rating
Recognized excellence validated by the Better Business Bureau’s highest honor.
Maximizing the Lifespan of Your Modified Bitumen Roof
Maximizing the lifespan of your modified bitumen roof involves proper maintenance, timely repairs, and the use of high-quality materials during installation. Regular inspections should be conducted, ideally twice a year, to identify issues such as cracks, blisters, or pooling water. Proactively addressing these problems not only prevents costly repairs but also extends the roof’s functionality.
Additionally, keeping the roof clean is vital. Debris like leaves, dirt, and branches can cause drainage problems and lead to water accumulation, which can deteriorate the material over time. Cleaning the roof and ensuring that gutters and drains are clear will help maintain proper water flow and reduce strain on the structure.
Lastly, working with experienced professionals for maintenance and any necessary repairs is essential. While the temptation to save costs by DIY methods might be strong, unqualified fixes can cause more harm than good, compromising the integrity of the roof.
Warning Signs Your Modified Bitumen Roof Needs Attention
Maintaining a commercial roof is essential for the safety and longevity of your building. Over time, normal wear and tear can compromise its effectiveness and lead to costly repairs if not addressed promptly. One of the most obvious signs that it’s time to replace your roof is the presence of leaks. Water stains on ceilings, dripping water, or pooling on floors are indicators of significant damage. Even small leaks can escalate quickly, leading to structural damage and mold growth.
Another sign to watch out for is visible wear and tear, such as cracked or missing roofing materials. These imperfections can expose your roof to the elements, making it susceptible to more extensive damage. Additionally, sagging areas or uneven surfaces may point to underlying structural issues that could pose safety concerns. Regular inspections can help spot these problems early and proactively addressing them can save business owners from costly damage.
Premium Modified Bitumen Solutions by Industry-Leading Professionals
Modified bitumen roofing is an exceptional choice for commercial property owners seeking durability, cost-efficiency, and long-term performance. This roofing system combines traditional asphalt with innovative polymer technology, resulting in a material that stands resilient against harsh weather conditions, impacts, and the wear and tear of time.
At Great Lakes Commercial Roofing, we take pride in delivering superior roofing solutions tailored to your specific needs. Our work is fully insured and bonded, backed by comprehensive insurance and workers’ compensation coverage to provide you with peace of mind. We never subcontract labor—our skilled technicians handle every project, guaranteeing quality work every time. With backgrounds checked and drug-tested employees possessing factory-trained expertise, we ensure your roofing is handled by trusted professionals. Recognized with a BBB A+ rating, we offer dependable service you can count on.
Choose us for your modified bitumen roofing needs and experience the difference top-tier service can make.
Our Service Areas
- Dubuque, Iowa
- Cedar Rapids, Iowa
- Davenport, Iowa
- Madison, Wisconsin
- Waterloo, IA
- Iowa City, IA
- Clinton, IA
- Erie, PA
- Pittsburgh, PA
- Cleveland, OH
- Dubios, PA
- Warren, OH
- New Castle, PA
- Butler, PA
- Meadville, PA
Browse our Commercial Roofing Portfolio
Clinton Municipal Airport
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Ashley Furniture
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Dura-Bond Pipe Inc
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Appliance Dealers Co-Op
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Oolong Aisian Cuisine
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Completed
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Testimonial
Don't take our word for it, hear from our customers!
Russell Jenkins
The guys from Great Lakes commercial roofing LLC were extremely professional. Kenneth came out and was extremely informative and knowledgeable in regards to roofing. We were extremely pleased with his work and the end product. We highly recommend Kenneth and the guys from Great Lakes commercial roofing
E Frogwell
When it comes to a company that will get the job done right you have to go with Great Lakes Commercial Roofing. Zac is easy to work with and very knowledgeable about many different products and options. Don’t make the mistake I did and call a contractor that is mainly a residential roofer to look at your industrial roof unless you like wasting money
Tom Havacheck
Great company to work with! I have a building in Pennsylvania but live in another state. My roof was leaking and Zac was sent out and did the inspection on the roof. When he was at the building he called and sent me a link to live pictures
Jason Bakus
These guys are awsome. Great job from start to finish. Did our large commercial catering hall. Always available if we have a question or concern. Roof looks great and best of all. No more leeks. Defiantly recommend
Matthew DeLibero
I’m very satisfied with my new roof. The installers worked around my schedule and did a nice job!
Conrad Miler
Your dedication to quality and service have made working with you a pleasure!
Barb Goliad
I called Great Lakes Commercial Roofing to come check out my building. I had a company put silicone roof coating on it 5 years ago and since day one it never stopped the leaking problems, the other company came out 5 times to “fix the problem” but never did. Zac came out and evaluated my problem and gave me a ton of information on the best solution to fix the problem.
Core Values - C.H.I.L.
- Communication: Maintaining open and clear communication with customers, employees, and vendors.
- Humility: Staying open to feedback, ideas, and other perspectives. Humility means recognizing that we’re all still learning — and better together.
- Integrity: Doing the right thing — even when no one’s looking.
- Loyalty: A deep commitment to the organization’s mission, values, and success.
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