1 Hour Smoke Barrier Door Requirements

For testing requirements see section 715 4 3.

1 hour smoke barrier door requirements.

The doors in the smoke barrier may or may not be required to be fire protection rated. 715 4 3 door assemblies in corridors and smoke barriers. 4 3 2 1 1 2 3 3ª 1 1 2 1 1 2 fire barriers having a required fire resistance rating of 1 hour. Lation of smoke doors to be in accordance with nfpa 105 standard for the installation of smoke door assemblies and other opening protectives.

The fire protection ratings of the protective openings on smoke barriers are required to be a minimum of 1 3 hour 20 minutes or at least a door that is 1 inches thick solid core door with. 1 1 1 smoke barriers 1 1 3b a. For testing requirements see section 715 4 3. Two doors each with a fire protection rating of 1 hours installed on opposite sides of the same opening in a fire wall shall be deemed equivalent in fire protection rating to one 3 hour fire door.

A 1 1 see annex k for general information about fire doors. Louvers are not allowed in doors in smoke partitions. In existing health care occupancies the requirement is reduced to a half hour fire resistance rating. When the 1 hour smoke barrier is in a health care occupancy the ibc and nfpa 101 include an.

Section 709 3 of the ibc establishes the requirement for smoke barriers to possess a 1 hour fire resistance rating. Any penetrations of the smoke barrier must be sealed to maintain the fire resistance and to ensure that the barrier is relatively smoke tight. The ibc mandates fire door assemblies with a 20 minute rating in 3 locations. Section 407 4 i 2 408 6 i 3 and 422 2.

715 3 5 3 smoke and draft control door labeling requirements. Type of assembly required assembly rating hours minimum fire door fire assembly fire rating hours fire walls and fire barriershaving a required fire resistance rating greater than 1 hour. 1 1 1 with the exception of fabric fire safety curtain assemblies this standard addresses assemblies that have. Doors in smoke barriers there are three use groups in the ibc that mention smoke barriers.

Corridor walls that are required to be fire partitions with a 1 hour or hour rating other fire partitions with a hour rating and smoke barriers with a 1 hour rating.