Which fire hazard is particularly concerning with ordinary construction?

Fire extension through void spaces is a significant concern in ordinary construction because these hidden areas can facilitate the rapid spread of fire throughout a structure. Ordinary construction often includes framing techniques and materials that create cavities, such as wall spaces and attic areas, where fire can travel undetected. This allows flames and heat to move quickly, potentially reaching other parts of the building before it becomes visible, posing a greater risk to occupants and responders.

Understanding this hazard is critical for firefighters, as it informs their strategies for containment and extinguishment. Additionally, knowledge of these void spaces can guide them in making safe decisions during their operations, such as identification of potential fire paths and ensuring thorough inspections and monitoring of these areas during and after a fire incident.