Backdrafting

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Backdrafting

Potentially hazardous condition in which the exhaust from combustion appliances does not properly exit the building. This can be due to a number of factors including a blocked flue or a pressure difference within the building.
References in periodicals archive ?
I am in no doubt that the brigade's decision to initially send just one fire appliance and crew to the scene and the total lack of training of fire fighters in dealing with backdraught caused these deaths.
Prior to the incident occurring, it was not believed possible for such a devastating backdraught to occur, under these circumstances, in a domestic property.
Even with the optional wind deflector in place, don't expect your hair to remain unruffled, as you still have a Force 5 backdraught to contend with.
Peter, a firefighter for 21 years, was illustrating the dangers of backdraught - a sudden explosion caused by a rapid intake of air into a room containing a fire hungry for oxygen.
Last night Peter said: "Lothian and Borders was the second brigade in Britain to introduce backdraught and flashover training.
National winners Mid and West Wales Fire Brigade, Swansea After a number of incidents locally and nationally, Mid and West Wales Fire Brigade decided it needed to change its training procedures for handling backdraught and flashover fires.
He took time to invent a revolutionary teaching device to help firefighters to protect themselves from lethal flashover and backdraught fires.
But some locals claimed a policeman had helped to spread the blaze by causing a backdraught when he opened the door to the kitchen of the blazing ground-floor flat - an accusation vehemently denied by officers.
The units affected give recruits experience of flash- over and backdraught fires.
Flashovers - where a compartment compartment becomes so hot that gases from the fire ignite - backdraughts and flying debris are just three of the dangers on which trainees are briefed.