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Guide to Foam Fire Extinguishers

Foam fire extinguishers, also known as AFFF extinguishers, can safely extinguish both flammable solid and flammable liquid fires (Classes A and B). (Liquid fires can include petrol, paint, oil and any other liquefiable solid, such as melting plastics). They come in a wide range of sizes, starting from a 1 ltr foam extinguishers up to a 50 litre wheeled foam unit. Foam extinguishers have a cream coloured text field to help identify the units.

Main applications of Foam Fire Extinguishers

Smaller foam extinguishers (1 litre and 2 litre) can be found in homes, taxis and small boats. Larger models (3 litre, 6 litre and 9 litre foam extinguishers) are utilised in offices, schools and accommodation blocks. Our larger wheeled units are used in larger, high risk premises which may have a greater risk of flammable solid or flammable liquid fires, eg. refineries and airports.

Limitations of Foam Fire Extinguishers

Foam fire extinguishers offer multipurpose fire risk coverage for flammable solid and liquid fires. However, they are not suitable for cooking oil or deep fat fires or for use on live electrical equipment unless they have passed the 35,000 Volt dielectrical test meaning that they are safe for inadvertent use on electrical fires.

Foam Extinguisher Home safety

We recommend a one or two litre foam extinguisher for home use. These handy extinguishers will help to protect you and your family from the risks of flammable solids and solids. These foam extinguishers are available from Nationwide Fire Extinguishers to keep businesses and families safe, all sizes are available at a great price.

Foam Fire Extinguisher Product range

Nationwide Fire extinguishers offer a full range of foam fire extinguishers from leading manufacturers such as Thomas Glover Powerx, Jewel and even UltraFire.


Reviewed: 01/02/2020 (doc:497 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.


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