Holcim completes acquisition of Duro-Last; CEO reaffirms commitment to certified installers. Read letter

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The Duro-Life™ 600 roofing system is designed to deliver 600 consecutive months – that’s 50 years – of unparalleled, environmentally friendly roof and insulation performance.

Building Owners

Made to fit your building, installed only by authorized contractors, backed by the industry's best warranties.


Architects and consultants can specify a high-quality roofing system with Duro-Last.


Less labor, fewer hassles and callbacks, working year round equals more profits for your roofing business.

What's New

Duro-Last® To Open Seventh Manufacturing Facility with Grand Opening on Thursday in Largo, Florida.

Holcim Acquisition of Duro-Last® Complete - company part of Building Envelope Business. 

Duro-Last® Announces 2022 Contractor of the Year and Project Awards at 38th annual national sales seminar. 

Duro-Last® Agrees to Sell to Switzerland-based Holcim, a $30 billion publicly traded company with a proven track record of investing in the businesses they acquire to unleash further potential and growth.

Duro-Last®, Inc. and DuPontTM Launch Sustainable 50-Year Roofing System - Duro-LifeTM 600 reduces the maintenance, repair and replacement costs. 

Live at WRE: Roofers Coffee Shop Podcast - Chad Davis & Jackie Hart-Industry Collaboration Means Contractor Success.

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Duro-Last Roofing Systems

The custom-fabricated, single-ply PVC 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 commercial roofing systems approach and commitment to provide problem-solving products, we work hard to stand by every square foot.


Duro-Last is the only roof manufacturing company to offer prefabrication of the entire roofing system in our factory-controlled environment. Through our custom-fabricated commercial 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 Commercial 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.