Fire Extinguishers

General guidelines for the number and type of fire extinguishers to suit your business is to have one 9 litre water or foam extinguisher for every 200m² of floor area. You should also have suitable extinguisher(s) for fires involving live electrical appliances, liquid fires, etc, such as a carbon dioxide (CO²) fire extinguisher.

For homes, normally powder extinguishers (as well as fire blankets) are the most popular as they cover all classes of fires.

Water Extinguishers

Water Extinguishers

Water Fire Extinguishers are suitable for Class A fires involving solid materials such as wood, paper, straw, textiles, coal, etc.

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Foam Extinguishers

Foam Extinguishers

Foam fire extinguishers are ideal for Class A and B fire risks. Suitable for solid materials as well as liquids such as petrol, oils, fats, paints, etc.

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Powder Extinguishers

Powder Extinguishers

Dry Powder fire extinguishers are suitable for the majority of fires such as Class A, B, C, D and E fires.

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Carbon Dioxide (CO²) Extinguishers

Carbon Dioxide (CO²) Extinguishers

CO² fire extinguishers are ideal for modern offices as they are suited to Class A, B and E fires, excellent for electrical appliances.

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Fire Classifications

Internationally there are several accepted classification methods for hand-held fire extinguishers. Each classification is useful in fighting fires with a particular group of fuel. In the UK (and EU) there are 6 classifications of fire defined by the European Standard BS EN 3. These are:-

  • Class A: Fires caused by combustion of solid materials. e.g. mainly wood, paper, straw, textiles, coal and car tyres.
  • Class B: Fires caused by combustion of liquids or materials that liquify. e.g. petrol, benzene, oils, fats, paints, paraffin.
  • Class C: Fires caused by the combustion of gases. e.g. methane, propane, hydrogen, natural gas.
  • Class D: Fires caused by the combustion of metals. e.g. aluminium, magnesium, lithium, and alloys.
  • Class E: Fires involving live electrical items.
  • Class F: Fires caused by combustion of cooking fat and oil.