Fire regulations Volume 1 - Sections B2
Spread of fire
Linings to prevent fire spread
Walls and ceiling materials
Floors and Stairs
Stopping fire from spreading under the stairs
Don’t want the fire to go into the cavity of the stairs, then it goes to the cavity of the floor (endangers the structure of the building)
Definition of Walls
Glazing (not for doors)
Any part of the ceiling that slopes at an angle more than 70 or less to horizontal
The underside of gallery
The underside of roof exposed to the room
Excludes : trap doors
Thermoplastic materials
Can be used for windows, lighting diffusers, roof lights
In panels to form suspended ceiling (flexible thermoplastic)
Stretched skin ceiling
Membrane from panels (flexible thermoplastic)
Should not exceed 5m squared
Supported on all sides
Prevent harm when it falls due to fire
Things that were the key parts of the section:
-> penetration of lining
-> spreading of fire within cavity