1. HOW DOES FIRE GROW?

2. The fire triangle
3 combined elements create a continuous chemical reaction resulting in combustion
Take away just one and the chemical reaction is interrupted and the fire goes out

3. Camp fires They Have a Simple growth chart
FIRE DOUBLES IN SIZE EVERY 30 SECONDS
Everyone has seen one of these

4. Compartment fires Ventilation limited Can be controlled High pressure
High heat

5. Room and contents Watch for: Insipient stage Growth stage Rollover
Flashover
Decay phase

6. smoke
Smoke inhalation is the primary cause of death in victims of indoor fires
Extremely toxic Superheated gases
Carbon monoxide
Hydrogen cyanide
AND MORE...
Composition depends on the nature of the fuel
Less oxygen = more smoke
Unburnt byproducts May ignite resulting in backdraft or smoke explosion
Collection of airborne solid and liquid particulates and gasses emitted when a material undergoes combustion

8. Thermal layering
Fire department disrupts this layering with water stream which changes to steam and dissipates heat

11. WHY ARE DOORS SO Important?
Protection from heat
Limit the flow of oxygen
Limits the spread of toxic smoke
Increases time to escape or for rescue to arrive