Flashover

What is Flashover?

Flashover meaning in Safety terms is

  1. Rapid combustion and/or explosion of unburned gases trapped at some distance from the main fire front. Usually occurs only in poorly ventilated topography.
  2. Stage of a fire at which all surfaces and objects within a space have been heated to their ignition temperature, and flame breaks out almost at once over the surface of all objects within the space. 

 

reference: Glossary A – Z | National Wildfire Coordinating Group

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