correctional centers, detention centers, jails, pre-release centers, prisons, and reformatories).įire 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. In addition, the IBC requires limited air infiltration and references UL 1784 for the following locations: elevator lobby doors, and doors in smoke barriers in underground buildings and I-3 occupancies (i.e. For example, the IBC requires this limited airflow for fire doors that are also smoke and draft control doors in corridors and smoke barriers. 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. Although the codes and standards do not specifically state that gasketing is required, it is difficult or impossible to limit air leakage to the required level without gasketing at the head and jambs, and the meeting stiles of pairs of doors. The test standard used to determine air leakage is UL 1784 – Standard for Air Leakage Tests of Door Assemblies and Other Opening Protectives. m2)] of door opening at 0.10 inch (24.9 Pa) of water for both the ambient temperature test and the elevated temperature exposure test. Corridor doors in a residential occupancy are typically 20-minute fire doors that are also smoke and draft control doors.Ĭurrent model codes call for some doors to have a maximum air leakage rate of 3.0 cubic feet per minute per square foot [0.015424 m3/(s
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