Last edited 10 Dec 2020

Fire-separating element

Approved Document B ‘Fire safety’ defines a fire-separating element as:

'A compartment wall, compartment floor, cavity barrier and construction that encloses a protected escape route and/or a place of special fire hazard.

Buildings are sub-divided by elements of fire resisting construction into fire compartments. Part B3 of the building regulations requires that:

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