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Since 1981, Duro-Last®, Inc. has been developing and manufacturing complete roofing systems designed to withstand the test of time. Backed by industry-leading warranties, billions of square feet of Duro-Last Roofing Systems have been installed across North America.

The Duro-Last Difference: The Duro-Last flagship membrane is a proprietary thermoplastic formulation that provides exceptional flexibility and reflectivity. Available in 40, 50, and 60 mil thickness, the Duro-Last membrane can be custom-fabricated to meet the exact specifications of the building. With the custom-fabricated Duro-Last Roofing System, up to 85% of seams can be completed in our factory-controlled environment, dramatically reducing rooftop labor and the potential for leaks. Additionally, the Duro-Last membrane features an 18 x 14 weft-insertion anti-wicking scrim, providing superior strength and puncture resistance.

Duro-Last EV: The PVC roof membrane containing Elvaloy® KEE: The Duro-Last EV membrane is an excellent choice for low-sloped projects that require a long-lasting, energy-efficient roofing system that offers resistance to both weather and chemical attack


While Duro-Last is known as the world’s largest manufacturer of custom-fabricated roofing systems — with a bright white finish — we realize that this may not be the ideal solution for all buildings and projects. For applications with visible rooftops, or where they call for unique design and logistical solutions, Duro-Last offers a colorful array of roll good membrane options to meet any aesthetic need.

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