At Johns Manville, protecting people and communities begins with rigorous product testing. Our Fire Tunnel Testing Lab plays a critical role in evaluating how building materials perform when exposed to flame and smoke.
The lab’s tunnel system measures two vital factors: how quickly flames spread across materials and how much smoke is generated. These insights help JM ensure that insulation, polyiso foam, spray foam, facers, and other building products meet strict fire performance standards before they ever reach the field.
This testing isn’t just about compliance—it’s about advancing safer, more climate-conscious solutions. By developing materials that resist fire more effectively, we help create safer indoor environments, reduce risk for building occupants, and support sustainability goals across the built environment.
Source: https://www.jm.com/en/blog/2025/september/built-to-protect–fire-resistant–future-ready/
Maribel Sargent is a seasoned writer with a deep-rooted passion for the roofing industry. With over 7 years of experience crafting informative and engaging content, she has established herself as a trusted authority in the field. Her expertise lies in translating complex roofing concepts into easily understandable articles for both industry professionals and homeowners.
