The Fire Safety Order - closing the knowledge gap
In This Series
This Wood Information Sheet gives guidance on assessing the suitability of existing doors for upgrading to give a 20 or 30 minutes' fire resistance comparable with that of purpose-made fire doors. Upgrading to 60 minutes' performance will rarely be possible.
Upgrading the fire resistance of existing doors is...
Fire-resisting doorsets are required to be able to contain a fully developed fire, to facilitate escape of a building's occupants and allow fire fighting, and to protect the contents and/or the structure from the effects of fire. The doorset therefore must have resistance to fire, expressed in terms of time....