The Fire Triangle

In order for fire to establish, it needs three things: oxygen, heat and fuel. These three elements are called the fire triangle.

The first one of these elements is oxygen. Oxygen is in the air we breathe but it can also come from other sources. It could come from something such as fertiliser that has an oxidising agent which actually creates oxygen when it burns. Some bleaches and chemicals can create oxygen but another way of introducing more oxygen to a fire will be through ventilation from opening a fire door or a window or having any air coming through from any source.

The second component of the fire triangle is heat. This can come from different sources; sunlight, cooking, electric heaters, gas heaters, arson or electrical wiring.

The final element is fuel. This can be paper, chemicals, gas, wood or any component which is flammable.

If we remove any one of these 3 elements from the fire triangle, fire cannot establish.

Fires can be caused by many things. One of these is arson, this is where someone would purposely light a fire in order to cause damage. Another thing could be electrical fires, maybe unsafe electrical equipment or where it has damage to the insulation. This can cause a fire as well as overload electrics.

Chemical reactions can cause problems and when you mix two chemicals together they catch fire. Smoking can cause fires, maybe a discarded cigarette or match.

It is very important to make sure all policies and procedures are followed, that rubbish is not left near fire exits or fire doors and bins are emptied regularly.

By reducing the hazards, you can help reduce the risk of fire in the workplace.

For more information on First Aid training courses visit ProTrainings website.


ProTrainings Europe was set up by to offer classroom training nationally and video e-learning to enable students to learn using different media. We believe training should never end when the course finishes so whether a class course, video online or blended we offer a host of extra resources to continue training long after the course finishes. ProTrainings also offer a free video online first aid course to every child with and other blogs like For more information on any training requirements including nationally through our network of approved and monitored instructors call 01206 805359 or email

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