Fire Door Smoke Seals Requirements

Nothing must be cut at the top at all and the certification label must remain intact.

Fire door smoke seals requirements.

Underneath the fire door a gap of 8mm is traditionally acceptable although for fire doors that are required to limit spread of cold smoke only 3 mm is permissible with a threshold seal to be fitted if the gap is bigger. 13 1 gaskets gaskets are required for doors to pass a smoke and draft control test. The types of smoke doors i identified are. Nfpa 80 does not reference ul 1784 but nfpa 105 includes the same limitation as the model codes.

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. 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. The requirement for a gasket also includes the meeting edges of a pair of doors. Typically found and whether the doors require a fire rating a closer a latch and gasketing.

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. Intumescent seals or gaskets are not required on fire rated steel doors. 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.

Generally speaking the requirement for intumescent seals or gaskets are a function of the individual manufacturers listing. 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. 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. A common location for 20 minute fire door assemblies is a residential corridor leading to dwelling or sleeping units.

This standard shall prescribe minimum requirements for smoke door assemblies for use in providing safety to life and protection of property from smoke. This specification is for a night time escape standard and so smoke seals are important to enable occupiers to escape down the protected route. 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.