Duro-Last® announces leadership promotions across operations and technology teams

These promotions reflect Duro-Last’s deep bench of talented leaders who are committed to driving innovation and delivering the highest-quality solutions.

As part of its ongoing commitment to fostering innovation, improving operational efficiencies and delivering greater value to its contractor network, Duro-Last is pleased to announce the promotions of several long-time leaders across its operations and technology teams.

“These leaders have been instrumental in driving the manufacturing excellence that ensures our products meet the highest standards of quality, performance and reliability,” said Mitch Gilbert, vice president of technology. “Their expanded roles will allow us to further streamline operations, enhance efficiencies and continue innovating the products that our contractors know and trust.”

The following team members have been promoted:

Bill Clark has been promoted to director of quality control, where he will continue to lead product excellence and quality control initiatives. Since joining Duro-Last in 1997, Clark has shaped the company’s robust quality control program and upheld its stringent product standards. He reports to Mitch Gilbert.

Mary Koutras has been promoted to director of research and development, where she will continue leading product testing and innovation efforts to meet the evolving needs of the commercial roofing industry. Mary, who joined Duro-Last in 2012, has spearheaded pivotal research, formulation development and testing programs. She reports to Mitch Gilbert.

Scott Rosebrock has been promoted to director of maintenance, where he will oversee maintenance initiatives across all Duro-Last facilities. Scott, who joined the company in 1986, has led numerous maintenance and capital improvement projects. He reports to Chris Warner, vice president of operations.

Scott Craven has been promoted to senior plant manager, overseeing EXCEPTIONAL® Metals and Duro-Last’s Michigan manufacturing operations. Craven joined Duro-Last in 2019 and has successfully led manufacturing operations at sister brand Plastatech® with a focus on quality and productivity. He reports to Chris Warner.

John Glasscock has been promoted to senior plant manager, overseeing manufacturing operations at Duro-Last’s Oregon and Iowa facilities. John, who joined Duro-Last in 2024, has led production operations in Oregon with an emphasis on process improvements and plant performance. He reports to Chris Warner.

James Shoquist has been promoted to senior plant manager, overseeing manufacturing operations at Duro-Last’s Texas, Mississippi and North Carolina facilities. James, who joined Duro-Last in 2019, has driven operational excellence and process efficiencies in Texas. He reports to Chris Warner.

David Wade has been promoted to senior plant manager, overseeing Anvil Paints & Coatings as well as Duro-Last’s Florida and Massachusetts manufacturing operations. Since joining Duro-Last in 2010, David has led Florida operations with a focus on efficiency and production excellence. He reports to Chris Warner.

“These promotions reflect Duro-Last’s deep bench of talented leaders who are committed to driving innovation and delivering the highest-quality solutions to our contractor partners,” Chris Warner said. “We look forward to their continued leadership as we advance our strategic goals.”

About Duro-Last

Duro-Last is a leading manufacturer of custom-fabricated thermoplastic single-ply roofing systems based in Saginaw, Michigan, with eight manufacturing locations across the U.S. Known as the “World’s Best Roof®”, Duro-Last’s 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 duro-last.com.

About Holcim Building Envelope

Holcim Building Envelope delivers high-performance solutions that make the entire building envelope more sustainable, durable and energy-efficient. We are committed to raising the standards of building solutions by delivering superior quality and innovation while addressing industry needs. Our offerings cover a comprehensive range of residential and commercial roofing, wall and lining systems, insulation and waterproofing solutions for a variety of industries, from construction to marine and aerospace. Our powerful portfolio of brands includes Elevate Commercial Roofing Systems, Duro-Last Roofing Systems, Malarkey Roofing Products, GenFlex Roofing Systems, Gaco, Enverge Spray Foam and OX Engineered Products. Holcim Building Envelope is a division of the Holcim Group. Visit HolcimBE.com to learn more.