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Great Lakes Roofing and Insulation Systems specializes in the installation and maintenance of Duro-Last Roofing Systems. For over 40 years Duro-Last has led the industry in PVC membrane roofing and Great Lakes Roofing and Insulation Systems has been a part of that success for more than 35 years.

We are proud to be a Duro-Last Platinum Contractor. With each commercial roof installation, Duro-Last sends a Quality Assurance Technician to inspect the completed project. The QA then grades the installation. Last year, we installed more than 500,000 square feet of roofing and earned an average grade of 95%.

As our customer, you benefit from the family-type relationship we have developed with the manufacturer. We work together to bring you a superior product with the best installation to deliver the best roof!

The Facts About Single-Ply PVC Roofing

Pingatore Cleaners Roof

Why Great Lakes Roofing and Insulation?

Great Lakes Roofing and Insulation Systems has over 35 years experience in providing exceptional roofing and insulation systems. GLR prides itself on providing industry leading roofing and insulation products for residential and commercial applications. By staying on the cutting edge of technology and research, GLR can assure building owners they are getting the most advanced and cost-effective products available today.


If you need a new roof, insulation, maintenance, or anything in between, Great Lakes Roofing and Insulation Services has got you covered! Call us at (906) 647-2916 or fill out your information in our convenient contact form. We hope you’ll become another one of our repeat customers.