Foam fire extinguishers are marked with a blue band. Foam fire extinguishers work by covering a burning flammable liquid with a blanket of foam, cutting off the fire’s air supply and preventing the release of flammable vapours. 

Foam Fire Extinguishers are suitable for the following types of fires:

Class A – Paper, textiles, wood, most plastics & rubber
Class B – Flammable liquids