Similar technical guidance documents and building regulations are in effect in other countries.

Combustibility

Fire doors are not necessarily noncombustible. It is acceptable for portions of the door to be destroyed by combustion during exposure to fire as long as the door assembly meets the fire test criteria of limiting temperature on the non-fire side of the assembly. This is in accordance with the overall performance goal of a fire-rated door to slow fire propagation from one fire rated compartment to another for only a

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