Guidance on Fire-Resistive Duct Assemblies

Charles Mason, PE

A modern part of the city of Sydney
Share this post

Jan 26, 2021

After reading this paper, you will:

  • Learn what fire-resistance rating symmetry is and how it applies to vertical and horizontal duct assemblies
  • Understand the requirements of the International Building Code (ICC) and how they relate to practical applications
  • Review current challenges with practical applications
  • Prepare for an alternative code path using fire resistance duct assemblies

Read the whitepaper.

Headshot of Charles Mason

About the author

Charles Mason
Charles Mason, PE, is a Project Manager/Senior Fire Protection Engineer with over 20 years of experience managing fire protection engineering design and code consulting projects for commercial

Sign up to receive the latest updates, news and insights from Jensen Hughes!

Connect With Us

Get In Touch

Contact

More blog posts from Jensen Hughes

From Buzzword to Bottom Line: Bridging the AI Implementation Divide

May 12, 2025

Many AI projects fail chasing big transformations. Real impact starts with small wins—solving everyday problems for faster ROI and lasting adoption.

Fire Protection in Aircraft Hangars: Adapting to Changes in NFPA 409

May 7, 2025

Discover how the innovative, foam-free fire protection solutions for Belgium’s F-35 aircraft hangars were developed to meet strict safety standards

CE Marking vs. UL 9540: Understanding Global Safety and Compliance for BESS

Apr 29, 2025

CE marking alone isn’t enough for BESS safety compliance in North America. Learn the key differences between CE and UL 9540 certifications—and why both may be needed for global deployment under evolving regulations.