Topic
rollover.
developmental stage of structure fires in a room or other enclosed area
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About rollover
Rollover is a stage of a structure fire when fire gases in a room or other enclosed area ignite. Since heated gases, the product of pyrolysis, rise to the ceiling, this is where a rollover phenomenon is most often witnessed. Visually, this may be seen as flames "rolling" across the ceiling, radiating outward from the seat of the fire to the extent of gas spread.
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