This episode, sponsored by Johns Manville, features a deep dive into today’s most pressing technical issues in the commercial roofing industry. Building Enclosure welcomes Mark Graham, Vice President of Technical Services for the National Roofing Contractors Association (NRCA), to share insights drawn from his extensive experience guiding contractors, designers, and building owners through evolving codes, standards, and best practices.

Current Events in Commercial Roofing

Mark Graham, Vice President of Technical Services for the National Roofing Contractors Association, joined us to talk about some current, technical events going on in the commercial roofing industry. Listen in as Mark talks about the new code adoptions in Wisconsin and New York, and more.

The conversation begins with an overview of new roofing code adoptions in Wisconsin and New York. Graham highlights how these changes differ from prior versions and explores the challenges posed by varying adoption timelines across different jurisdictions. He explains how such state-level updates can set precedents that ripple into national roofing trends.

Another major topic is the International Code Council’s (ICC) newly introduced condition assessment guidelines. Graham details how these effectively mandate annual roof inspections, creating both challenges and opportunities for contractors. He shares practical best practices for performing code-compliant inspections that not only meet the requirements but also extend the life of roof systems.

The episode also addresses warranties and performance considerations. Graham breaks down how manufacturers define wind speed limitations, why those thresholds matter, and what design considerations can ensure a roof system performs reliably—well beyond the warranty’s basic protections. He clears up common misunderstandings owners have about warranties, particularly in high-wind zones.

Finally, the discussion turns to roof drainage, one of the most common yet overlooked sources of leaks. Graham examines the causes of leakage within roof drains and piping systems, shares whether recent reports point to an uptick in failures, and offers guidance on preventive measures contractors and owners can implement.

Packed with technical expertise and real-world insight, this episode equips industry professionals with knowledge to navigate codes, warranties, and maintenance challenges more effectively.