Control measure knowledge

To limit firespread or prevent deterioration of internal conditions, external firefighting tactics and various types of firefighting media may be necessary. The resources required to provide external protection and any impact on safety should be assessed before proceeding. For further information, see Fires and firefighting.

It may be necessary to remove potential external fire loading to limit external firespread, for example, creating firebreaks in thatched roofs or green roofs and walls.

Strategic actions

Fire and rescue services should:
  • Evaluate different types of firefighting media and firefighting tactics to establish what is appropriate for providing external protection for a building

Tactical actions

Incident commanders should:
  • Provide early protection of external boundaries to prevent firespread, flame extension and thermal radiation

  • Consider removing external fire loading, including vegetation

  • Position safety jets to protect firefighting teams and maintain safe access and egress
  • Consider the compatibility of firefighting media and the potential effects of internal and external firefighting operations
  • Position firefighting media to cover building apertures

  • Consider the use of aerial appliances to provide external fire protection

  • Consider using fixed, aerial appliance mounted and firefighting monitors

  • Consider using external fixed firefighting installations (e.g. curtain wall drencher systems to protect the building)
  • Consider using water spray for suppression of external firespread

  • Consider using compressed air foam as a fire break or for suppression of external firespread