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Chadwick Collins

Chadwick Collins is a seasoned technical leader in the roofing and building materials industry, with deep expertise in codes, compliance, product innovation and association leadership. Currently serving as Technical Director for SPRI and co-owner and vice president of TK Sebastian, he provides strategic consulting on regulatory issues, standards development and industry advancement. His career spans key roles with organizations such as the Roof Coatings Manufacturers Association, Asphalt Roofing Manufacturers Association and Kellen, where he led technical services and compliance initiatives. With an engineering foundation built at Firestone Building Products and Johns Manville, Chadwick has contributed to product development, testing and code approvals while actively engaging with industry bodies like ASTM.

Check out Chadwick on LinkedIn!

Learn more about SPRI.


Chadwick on Roofing Roadtrips!

In this episode of Roofing Road Trips®, Heidi J. Ellsworth sits down with Chadwick Collins, technical director of SPRI, to talk about SPRI’s role in roofing standards, the value of the DORA Directory and key insights from the recent SPRI Spring Event. Together explore how the organization’s website and the DORA Directory are working together to bring greater clarity and confidence to commercial roof design. The conversation highlights how SPRI supports single ply roofing standards and how DORA provides a searchable database of tested, code compliant roof assemblies. Heidi and Chadwick also recap the recent SPRI Spring Event, sharing key takeaways from technical sessions, industry discussions and collaboration across the supply chain. From standards updates to smarter specification tools, this episode offers a timely look at how SPRI and DORA are helping contractors, consultants and designers make stronger roofing decisions and providing the tools they need to design with confidence.

Listen to the episode.


Chadwick Speaking at IIBEC