What kind of fires can you use a foam extinguisher on?
Foam fire extinguishers can be used on Class A and B fires. They are most suited to extinguishing liquid fires such as petrol or diesel and are more versatile than water jet extinguishers because they can also be used on solids such as wood and paper.
What type of fire is foam used for?
Use: Effective against both Class A and Class B fires, foam extinguishers can protect environments that are at risk from material fires, involving solids such as paper and wood, and also from fires involving flammable liquids.
What is foam extinguisher for?
What is a foam fire extinguisher used for. AFFF (Aqueous Film Forming Foams) Foam Fire Extinguishers are suitable to fight burning solids such as wood as well as liquid fires such as burning petrol. The foam has the ability to creep over the burning liquid or to soak into burning materials such as settees.
What should you not use a foam fire extinguisher on?
Foam extinguishers are also safe for use on flammable liquid fires. They CANNOT be used on electrical fires or flammable metal fires as this extinguisher could end up exacerbating the fire. Foam extinguishers are ideal for premises which have multiple fire risks including offices, factories, warehouses and hotels.
When should you fight a fire with a foam extinguisher?
Flammable liquids Aim the hose at a vertical surface near the fire, do not spray directly at the fire as this could cause the fire to be pushed and spread to surrounding areas. Foam extinguishers allow a build-up of foam across the surface of the fire causing it to be smothered.
What are the three things a fire needs?
Oxygen, heat, and fuel are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.