Fire Door Smoke Seals Requirements

B smoke control doors shall except as required by paragraph 6 19 4 comply with paragraph c8 1 of appendix c.

Fire door smoke seals requirements.

Fire door seals or fire and smoke seals. Smoke seals are designed to accomplish this. Ings for a basic fire door frame unless the labeling on the frame specifically states that the frame is rated for something less than 3 hours. Not all fire doors and smoke doors are required to have air leakage limited to this level the key is to look for the reference to ul 1784 in the requirements for a specific door location.

Generally speaking the requirement for intumescent seals or gaskets are a function of the individual manufacturers listing. How to install smoke seals on a fire door. Intumescent seals or gaskets are not required on fire rated steel doors. Typically found and whether the doors require a fire rating a closer a latch and gasketing.

As soon as the temperature in the vicinity of the strips exceeds 200 c usually about 10 15. These seals are fitted into grooves cut into the door or the frame or alternatively can be surface mounted. Frames used in masonry walls may be used with a maximum 3. In commercial buildings in the united states fire rated doors require special gaskets to prevent smoke from getting through the opening during a fire.

The types of smoke doors i identified are. Doors required to provide an effec tive barrier to limit the transfer of smoke doors in smoke partitions doors in smoke barriers fire door assemblies in corridors and smoke barriers. Smoke seals shall be fitted at the head and all vertical edges in the gaps between the door leaf or leaves and the frame and between leaves in multi leaf door sets. The international building code ibc and national fire protection association nfpa 101 life safety code do mandate positive latching hardware for these doors in hospital corridors.

A door sweep or bottom seal is not a required. Smoke gaskets on fire doors must meet smoke and draft control requirements. If a frame bears a recognized label qualifying it as a fire door frame it may sup port a 3 hour a 1 1 2 hour a 3 4 hour or a 1 3 hour door. The gaskets must be fire listed and approved for use in a smoke and draft control assembly.

Intumescent fire door seals should be fitted to the stiles and head of a fire resisting doorset. This standard shall prescribe minimum requirements for smoke door assemblies for use in providing safety to life and protection of property from smoke. Intumescent products are typically used for a smoke and fire barrier on wood doors and are activated by heat. Further the clearance around the door must be limited but other requirements associated.

A common location for 20 minute fire door assemblies is a residential corridor leading to dwelling or sleeping units.