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2024 National Sales Seminar

Duro-Last® Honors Contractor of the Year and Annual Project Awards at 2024 National Sales Seminar

SAGINAW, Mich. – Duro-Last’s annual National Sales Seminar, held Jan. 21 through 23 at JW Marriott Tampa and Tampa Marriott Water Street in Tampa, Florida, welcomed more than 1,900 guests representing more than 290 certified Duro-Last roofing contractor companies. The highly-anticipated event was packed with educational sessions, networking, company news and product announcements. Many contractors were also celebrated for their outstanding work and accomplishments throughout 2023.

“Excitement and anticipation for the National Sales Seminar is always high, but this year was definitely special,” said Duro-Last President Tom Saeli. “There are a lot of exhilarating new developments currently taking shape in the roofing industry, including Duro-Last’s recent acquisition by Holcim. Contractors were eager to hear more about our partnership and we were thrilled to celebrate Duro-Last’s next chapter with the passionate roofing professionals that helped get us here.”

Duro-Last’s 2023 Contractor of the Year was awarded to Coryell Roofing from Oklahoma City. Coryell Roofing earned the Contractor of the Year distinction for its exceptional work, attention to detail, customer service and outstanding sales throughout 2023. Coryell Roofing, an authorized Duro-Last contractor for more than 12 years, also earned the distinction of a Duro-Last Platinum contractor for its quality workmanship.

Additionally, Duro-Last Project Awards were recognized. Award winners and categories included:

Project of the Year Award
Recognizing the project which best utilizes all aspects of a Duro-Last Roofing System and demonstrates a dedication to outstanding workmanship, best practices, innovation and customer service.
Contractor: Merit Roofing Systems of Prosper, Texas
Project: First Baptist Church of Odessa – Odessa, Texas

Custom-Fabrication Award
Recognizing the project which best utilizes Duro-Last’s custom-fabricated membrane and accessories throughout the roofing system.
Contractor: Hi-Tech Roofing & Sheetmetal of Lake Worth Beach, Florida
Project: Hi-Tech Roofing Headquarters – Lake Worth Beach, Florida

Edge-to-Edge & Deck-to-Sky™ Award
Recognizing the project which best utilizes Duro-Last products for the entire roofing system – from Edge-to-Edge & Deck-to-Sky.
Contractor: Nelson Roofing of Pendleton, Oregon
Project: Enterprise School District – Enterprise, Oregon

Metal Roofing Award
Recognizing the project which best utilizes EXCEPTIONAL® Metals’ metal roofing and wall panels.
Contractor: All Weather Systems of Hebron, Ohio
Project: Utica High School – Utica, Ohio

Sustainability Award
Recognizing the project which best utilizes Duro-Last products or services to reduce the environmental impact of the building.
Contractor: Damschroder Roofing of Freemont, Ohio
Project: Athens Community Center – Athens, Ohio

Specialty Membrane Award
Recognizing the project which best utilizes Duro-Last roll good products.
Contractor: Coryell Roofing of Oklahoma City
Project: Woodward Elementary Childhood Center – Woodward, Oklahoma

For more information on the projects recognized during the Duro-Last National Sales Seminar, visit the Duro-Last YouTube page at to view the award videos.

Networking, Education and Entertainment

While education and networking were at the core of Seminar activities with breakout sessions covering topics such as sales growth, sustainability, digital media, roof assemblies and the ever-popular custom-fabrication techniques, contractors were able to relax and celebrate throughout the event as well. Attendees dressed in their best for the annual Awards Gala during which contractors were recognized for their outstanding achievements throughout 2023 and everyone enjoyed a night of live entertainment at the finale party held on Tampa’s waterfront.

“It’s always an honor for us to learn, grow and celebrate with Duro-Last contractors during Seminar festivities and this year was certainly no different,” Saeli said. “There truly is no better way to kick off a new year than with the World’s Best Contractors inspiring us to dream bigger and set the bar higher than we ever have before.”

About Duro-Last
Duro-Last is a leading manufacturer of custom-fabricated thermoplastic single-ply roofing systems based in Saginaw, Michigan, with seven manufacturing locations across the U.S. Known as the “World’s Best Roof®”, Duro-Last is the world’s largest manufacturer of custom-fabricated, thermoplastic single-ply roofing systems. Factory controlled custom-fabrication can eliminate up to 85% of field seams, resulting in lower on-site labor costs and easier installation. Duro-Last’s roofing systems are sustainable and durable. More than two billion square feet of Duro-Last membrane has been installed throughout North America. Duro-Last is a division of Holcim Solutions and Products US, LLC. For more information on Duro-Last, call 800.248.0280 or visit


January 2024

Contact: Melissa Hubbell,
Communications Manager

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