Foam fire extinguishers are what are needed to tackle what are known as Class B fires involving flammable liquids, as well as Class A blazes, where solid combustibles are involved. These can typically be very serious fires, especially when involving the likes of solvents, oils, paints, diesel, petrol and spirits – but any fire can prove deadly and destructive. This is why it is vital to ensure you know how to use them properly in order to prevent loss of life and property.
How Do Foam Fire Extinguishers Work?
P50 foam extinguishers, available from a range of companies, including lsfiresolutions.co.uk/fire-extinguishers/ecoextinguishers/p50, create a blanket over burning liquid as well as cooling flames. It is the vapour not the liquid that burns, and so this barrier to prevent contact with air is essential to smother the fire. Foam extinguishers are more versatile than water extinguishers and are also less heavy to handle.
Using Foam Fire Extinguishers
Firstly, it is important to check that you choose the right fire extinguisher for the job. Most foam fire extinguishers have a special nozzle to prevent them making situations worse if they are accidentally sprayed on electrical fires.
You should also check that the extinguisher is fully charged. Check the gauge and also make sure that there is no damage to the safety pin. Vitally, it is also important to check your safety exits are clear when even considering using a fire extinguisher.
If it is safe to use, place the extinguisher on the ground at a safe distance. Take out the pin and break the tamper-proof seal. Aim the hose of the fire extinguisher at the fire’s base using one hand and slowly squeeze the lever with the other hand. Move the foam jet across the bottom of the flames to create the barrier needed. As the fire dies down, move closer if it is safe to do so.
Use the complete contents of your foam fire extinguisher to effectively cool down the area and prevent re-ignition.
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