National Construction Code
Specification 12 S12C3 & S12C4
S12C3 – General requirements for smoke doors
General requirements for smoke doors
Smoke doors must be constructed so that smoke will not pass from one side of the doorway to the other and, if they are glazed, there is minimal danger of a person being injured by accidentally walking into them.
S12C4 – Construction Deemed-to-Satisfy for smoke doors
A smoke door of one or two leaves satisfies Clause 3.1 if it is constructed as follows:
- a)The leaves are side-hung to swing—
- (i)in the direction of egress; or
- (ii)in both directions.
- b)The leaves are solid-core and at least 35 mm thick, or are capable of resisting smoke at 200°C for 30 minutes.
- c)The leaves are fitted with smoke seals.