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Manufacturer of the "World's Best Roof®"

Duro-Last®, Inc. is the world's largest manufacturer of custom-fabricated single-ply roofing systems used on commercial spaces. As a full system provider, Duro-Last also offers time-saving prefabricated accessories, Duro-Guard® insulation and roll goods.

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The Duro-Last Difference

The custom-fabricated, single-ply Duro-Last commercial roofing system is ideal for any flat or low-sloped application. Extremely durable and easily installed by authorized Duro-Last contractors without disrupting building operations, the Duro-Last Roofing System is also watertight, highly reflective, resistant to chemicals, fire and high winds, as well as low maintenance.

Proven Performance

Since 1978, billions of square feet of Duro-Last membrane have been installed throughout North America – and through our best-in-class warranties, Quality Assurance department, prefabricated systems approach and commitment to provide problem-solving products, we work hard to stand by every square foot.


Duro-Last is the only roofing manufacturer to offer prefabrication of the entire roofing system in our factory-controlled environment. Through our custom-fabricated roofing systems – which can include both membrane and accessories – up to 85% of the seams are completed before it arrives on the job site. A custom-fabricated Duro-Last Roofing System is long-lasting, reliable and eliminates most of the on-site fabrication that can lead to roof leaks.

Controlling our Destiny

Duro-Last is a leader in vertical integration. Since the beginning, our founder, John R. Burt, strived to produce as many parts of a Duro-Last assembly in-house while also embracing the Edge-to-Edge & Deck-to-Sky™ approach. All of this allows Duro-Last to control quality from top to bottom.