A common source of confusion in regards to firetopping requirements is understanding the seemingly s...

Building owners and occupants often take fire safety for granted. They assume that buildings are con...

Mention the term “engineering judgment” and you will elicit a variety of different responses. I was ...

We all know UL systems are very specific in calling out the requirements that must be met in order t...

Spending over 35 years as a Fire Marshal for a major healthcare organization, I have witnessed many ...

Do firestop sealants shrink? This is a question that has been bandied about at various industry meet...

Why are data comm cables installed through sleeves? According to the National Electrical Code (NEC),...

James P. Stahl Jr., CFPS, CDT is Vice President & General Manager, Engineering and Emerging Business...

Structured cabling penetrations are one of the most challenging conditions to achieve reliable smoke...