Chemical Foam Fire Extinguishers
Foam Extinguishers
Overview:
Foam extinguishers are most common type of fire extinguisher for Class B fires, but also work on Class A fires as they are water-based.
Label Colour:
– Cream
Use for:
– Organic materials such as:
o Paper and cardboard
o Fabrics and textiles
o Wood and coal
Plus:
– Flammable liquids, like paint and petrol
Do not use for:
– Kitchen fires
– Fires involving electrical equipment
– Flammable metals
How foam extinguishers work:
As with water extinguishers, foam extinguishers have a cooling effect on the fuel. On burning liquids, the foaming agent creates a barrier between the flame and the fuel, extinguishing the fire.
Types of premises/business who may need Foam extinguishers:
– Buildings constructed of wood or other organic materials
– Premises where there are organic materials to be found such as:
o Offices
o Schools
o Hospitals
o Residential properties
o Warehouses
– Buildings where flammable liquids are stored
In fact most buildings need either water or foam extinguishers
Where to locate foam extinguishers:
– By the exits on a floor where a Class A or Class B fire risk has been identified