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Fire Extinguishers for Corridors and Stairways

Corridors and stairways are the central access point of many buildings providing essential escape routes in emergency situations. Although they are usually considered to be of "low fire risk" it is important to remember that extinguishers located within these areas are often required for use in adjoining rooms. Stairways and corridors often contain lighting, vending machines and perhaps even computers so coverage for electrical fires is important.

Fire extinguishers suitable for corridors and stairways

P50 Foam Service-Free Fire Extinguishers

P50 Foam Service-Free Fire Extinguishers are an ideal all-rounder for use in most corridors and stairwells. Unlike some other foam extinguishers, P50 Foam Extinguishers are dielectrically tested, making them safe to use on live electrical equipment such as vending machines or lighting (up to 1kv electricity from 1m distance). Coupled with their excellent fire fighting capability for class A (solid combustibles) and class B (flammable liquids) fires, the P50 foam is an ideal extinguisher for general risk areas such as corridors.

The P50 Foam Fire Extinguisher can be used as a replacement for a traditional foam and CO2, or Water and CO2 combination. They are also ''service-free'', meaning they do not require servicing annually by a technician. Switching to P50 extinguishers could save you up to 50% on the cost of your fire extinguishers.

Fire Classification

P50 Foam Fire Extinguishers are suitable for use on the following types of fire.


Foam and CO2 Fire Extinguisher Combination

Traditionally, a foam extinguisher coupled with a CO2 extinguisher has been the standard for ensuring appropriate fire fighting capability for all risks associated with corridors. CO2 is effective at tackling electrical fires, whilst foam provides general coverage for class A (e.g. wood, paper) and class B (flammable liquids) fires. It is not however advisable to use a CO2 fire extinguisher in confined spaces with limited air flow.

This combination can now be replaced by the P50 Foam Fire Extinguisher due to it being safe for use on live electrical equipment (up to 1kv) and having superior fire fighting qualities.

Fire Classification

CO2 fire extinguisher are suitable for use on the following types of fire.


Foam Fire Extinguishers are suitable for use on the following types of fire (suitable for electrical use only if they have been dielectrically tested.)


Related Guides

Read our guide to fire classes and guide to fire extinguisher types to learn more.


Reviewed: 02/11/2021 (doc:10 V1.1). 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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