Modified Bitumen Roofing Systems for Erie Facilities
Made for Intensive Commercial Use
Durable Roofing for Businesses
Modified bitumen roofing is engineered to perform under pressure. Commercial facilities in Erie need systems that can take a beating from foot traffic, rooftop equipment, and seasonal temperature swings. Great Lakes installs multi-layer modified bitumen systems that deliver long-term protection without the costly upkeep. Our GAF Platinum Elite team works on distribution centers, government facilities, hospitals, schools, and other structures that rely on a tight, reinforced building envelope.
Whether your project calls for torch-down or cold-applied installation, we build with precision and follow strict manufacturer specs. With decades of experience and certifications from top manufacturers, our crews know how to install systems that last. Erie’s climate and demanding use cases are no problem when your roof is built right. Choose modified bitumen for proven performance and trusted protection year after year.
Modified bitumen is an ideal solution for flat and low-slope commercial roofs, offering dependable protection and long-term performance. Its layered construction and flexible design make it a go-to choice for facilities that demand structural durability and thermal reliability. Key advantages include:
- Reinforced layers that support foot traffic, heavy loads, and rooftop units
- High resilience under mechanical systems, ducts, and daily wear
- Thermal stability during Erie’s harsh freeze/thaw cycles
- Reflective top coatings to reduce heat absorption and improve energy efficiency
- Seamless application that minimizes the risk of leaks or water intrusion
- Proven success across industries like education, government, healthcare, and logistics
When installed by certified professionals, modified bitumen performs reliably in even the toughest commercial environments. From schools and clinics to warehouses and public buildings, it protects your structure without requiring excessive upkeep.
End-to-End Project Oversight
Modified bitumen is a trusted solution for flat and low-slope commercial roofs due to its strength, flexibility, and weather resistance. Its reinforced layers support the weight of rooftop equipment and endure routine foot traffic without breaking down. The material remains stable in Erie’s fluctuating climate, resisting cracking during freeze/thaw cycles and maintaining its integrity through extreme temperature shifts.
Installation methods, whether torch-down or cold-applied, create a watertight seal with minimal seams, reducing the risk of leaks. Its combination of durability, ease of maintenance, and adaptability makes it a long-lasting commercial roofing system for property managers who need both performance and peace of mind. When expertly installed, it delivers years of dependable protection.
Every modified bitumen installation by Great Lakes follows a structured, professional process that prioritizes safety, quality, and performance. We begin with a pre-installation site walk and thorough review of material specifications to ensure alignment with your facility’s goals. Our commercial crews follow strict safety procedures, particularly on high-traffic job sites where coordination matters. From start to finish, each step is carefully executed:
- Pre-project walk-through and material spec verification
- Customized safety protocols tailored to active commercial environments
- Substrate and insulation preparation to meet local codes and manufacturer standards
- Installation options including torch-down, cold-process, or self-adhered systems
- Detailed sealing around perimeters, penetrations, drains, and curbs
- Final quality assurance check followed by full warranty registration
This process ensures your modified bitumen system is installed for maximum durability and long-term value. With Great Lakes, you get a trusted partner committed to performance and precision.
Commercial-Grade Features at a Glance
Modified bitumen systems are built to meet the demands of commercial buildings. From structural reinforcement to thermal performance, every feature is engineered for reliability. If your facility needs a roof that works as hard as your business does, explore the benefits that set this system apart from the rest:
- Heavy-duty multi-ply assembly
- Reinforced for equipment load
- Seam-welded for leak control
- Low-maintenance lifecycle
Modified bitumen systems give property managers confidence in their roof’s ability to perform under pressure, especially in busy commercial environments where rooftop access is frequent and unavoidable.
These systems are built with multiple reinforced layers that resist punctures, cracking, and water intrusion. Heavy foot traffic, maintenance crews, and the constant presence of mechanical equipment won’t compromise the membrane’s integrity. This makes modified bitumen an excellent choice for properties such as healthcare facilities, food distribution centers, manufacturing plants, and government buildings.
With fewer emergency leaks and reduced damage risk, your roof remains a reliable part of the building’s infrastructure. The system also simplifies upkeep, offering clearly defined inspection paths and a surface that’s easy for crews to monitor and maintain.
Predictable performance translates to fewer surprises and a longer lifespan. When you’re managing budgets and timelines, a roofing system that consistently delivers protection and stability is essential. Modified bitumen checks all the boxes for smart facility management.
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.
Preventative Maintenance for Commercial Roof Longevity
Every modified bitumen roofing system benefits from a proactive maintenance plan. At Great Lakes, we offer tailored service programs that align with your building’s operations and budget. Routine upkeep is the key to maximizing performance and avoiding costly surprises. Our Erie-based crews conduct scheduled inspections to catch early signs of wear, such as membrane stress, seam separation, or drainage issues.
Maintenance plans can include seasonal checkups, post-storm evaluations, and preventative repairs designed to keep your system watertight year-round. Whether your facility is a school campus, government complex, transit hub, or industrial site, we work within your operational windows to limit downtime. Our team understands the demands of commercial properties and delivers consistent care that protects your investment.
A well-structured maintenance plan ensures your modified bitumen system continues to perform year after year. At Great Lakes, our commercial roofing maintenance services are designed to help facility managers stay ahead of problems and avoid costly disruptions.
We focus on extending the life of your system and preserving its integrity through consistent care and timely interventions. Our team works proactively, providing detailed reporting and working around your facility’s operations to minimize interference.
- Scheduled inspections with detailed reporting for your asset management team
- Drain and scupper cleaning to maintain proper rooftop drainage
- Seam repair and flashing tune-ups to reinforce vulnerable areas
- Cap sheet re-coating options for enhanced UV protection and durability
- Infrared and moisture scanning to detect hidden leaks or trapped water
- Emergency repair service available for storm or impact-related damage
Certified to Work on High-Value Commercial Roofs
Installing modified bitumen on a commercial property requires technical expertise, proper certification, and a commitment to precision. At Great Lakes, we bring all three to every project.
Our team is Mule-Hide Certified and recognized as a GAF Platinum Elite Commercial Contractor, giving you access to top-tier materials and extended manufacturer warranties. We never subcontract the critical phases of work. Instead, each installation is handled by in-house crews who are thoroughly trained to meet the performance and safety standards required on complex commercial job sites.
From start to finish, we follow manufacturer specifications and enforce rigorous quality control to ensure long-term success. Whether you’re managing a hospital, school, or logistics hub in Erie, we understand what’s at stake, and we build accordingly.
Let’s design a modified bitumen roof that meets the scale and standards of your facility. Contact Great Lakes today to schedule a consultation with our team.
Our Service Areas
- Butler, PA
- Cleveland, OH
- Oil City, PA
- Erie, PA
- Corry, PA
- Monroeville, PA
- Pittsburgh, PA
- Warren, PA
- New Castle, PA
- Meadville, PA
- Cochranton, PA
- McKeesport, 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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We have the experience!
495+
Customers
595+
Completed
Commercial Roofs
18+
Winning Awards
8+
Highly Trained
Project Managers
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.
Schedule a no-pressure roof assessment today!
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