Fire Door Smoke Seals Requirements
This standard shall prescribe minimum requirements for smoke door assemblies for use in providing safety to life and protection of property from smoke.
Fire door smoke seals requirements. The unit must at least pass a 20 minute without hose stream fire test to be qualified as a smoke and draft control assem bly. The types of smoke doors i identified are. Intumescent seals or gaskets are not required on fire rated steel doors. Smoke seals must be fitted to all fire doors.
Nfpa 80 does not reference ul 1784 but nfpa 105 includes the same limitation as the model codes. This specification is for a night time escape standard and so smoke seals are important to enable occupiers to escape down the protected route. Further the clearance around the door must be limited but other requirements associated. Intumescent products are typically used for a smoke and fire barrier on wood doors and are activated by heat.
It is therefore a requirement that door seals smoke seals and other items of essential hardware are tested in accordance with as1530 4 with each fire door manufacturer s door type to ensure they do not compromise the assembly s established fire resistance level. 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. Fire door assemblies are required to comply with nfpa 80 standard for fire doors and other opening protectives and some smoke doors must comply with nfpa 105 standard for smoke door assemblies and other opening protectives. Generally speaking the requirement for intumescent seals or gaskets are a function of the individual manufacturers listing.
The requirement for a gasket also includes the meeting edges of a pair of doors. Section 709 5 requires openings in smoke barriers to be protected in accordance with section 716 which includes requirements typical for a fire door assembly. Nothing must be cut at the top at all and the certification label must remain intact. 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.
There is an exception for cross corridor double egress pairs in some health care facilities and the requirements for these doors are shown in section 709 5. How much can you cut off a fire door. Typically found and whether the doors require a fire rating a closer a latch and gasketing.