One routine smoke investigation. Ten minutes later, a cold storage building erupted around Firefighter Andrew Klein. This week, we’re revisiting the harrowing close call that nearly ended Klein’s career. Klein walks through the fireground decisions, details the hidden danger of a cold storage building packed with spray foam insulation, and recalls the moment his PPE became the only thing standing between him and catastrophic injury. He also shares the emotional aftermath of believing fellow firefighters had been killed and how he’s managed his mental health since the incident.Email [email protected] to share your feedback.