Fire Door Smoke Seals Requirements

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

Fire door smoke seals requirements.

This specification is for a night time escape standard and so smoke seals are important to enable occupiers to escape down the protected route. 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. Nothing must be cut at the top at all and the certification label must remain intact. Smoke seals must be fitted to all fire doors.

How much can you cut off a fire door. 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 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. 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.

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. 13 1 gaskets gaskets are required for doors to pass a smoke and draft control test. 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.

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. This standard shall prescribe minimum requirements for smoke door assemblies for use in providing safety to life and protection of property from smoke. 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.

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. Intumescent products are typically used for a smoke and fire barrier on wood doors and are activated by heat. A common location for 20 minute fire door assemblies is a residential corridor leading to dwelling or sleeping units.