Volume 2 of Approved Document B defines a fire compartment as “A building or part of a building comprising one or more rooms, spaces or storeys constructed to prevent the spread of fire to or from another part of the same building or an adjoining building”. As such, compartmentation is a crucial element of fire safety for buildings. It refers to the use of fire-resistant barriers that divides into smaller compartments to limit the spread of fire and smoke. These barriers can be walls, floors,...
