Fighting a Fire / What is the cause of explosions in fire fighting

Hot smoldering phase occurs when the oxygen in the area is consumed. So there will be a very high temperature and burning is incomplete because of the inefficient oxygen to sustain the fire. The more incomplete the combustion, the more the Co produced. Co is a colorless , oderless, poisonous, explosive and flammable gas. Two of the elements necessary to produce fire, heat and fuel, are available in the structure. Only oxygen in the area is supplied through improper ventilation such as opening a door or breaking a window, the accumulated gas will ignite into rapidly spreading fire for a violent explosion. This is a backdraft. Which very often happens with unexperienced fire fighters.

Give first aid where appropriate. Seriously injured victims should be transported to professional medical help immediately. Stay out of the damaged building. Return only when fire authorities say it is safe.

Be Careful of Halogen Lights
If you have halogen lights, make sure they are away from flammable drapes and low ceiling areas. Never leave them on when you leave your home or office.