UL 14B UL Standard for Safety for Sliding Hardware for Standard, Horizontally Mounted Tin-Clad Fire Doors
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UL 14B Document Information:
Title
UL Standard for Safety for Sliding Hardware for Standard, Horizontally Mounted Tin-Clad Fire Doors
Underwriters Laboratories Inc.
Publication Date:
Dec 15, 2008
Scope:
These requirements apply to hardware for horizontally sliding
fire doors which have demonstrated in fire tests fire-resistive
properties warranting their use with two-ply and three-ply tin-clad
fire doors tested in accordance with the Standard for Fire Tests of
Door Assemblies, UL 10B (NFPA No. 252).
Requirements for the location and time rating are contained in
codes, such as the International Building Code (IBC). The method of
installation required for fire doors is not included in these
codes. Requirements for the details for the installation of
horizontally sliding two-ply and three-ply tin-clad fire doors are
included in the Standard for Fire Doors and Other Opening
Protectives, NFPA 80.
The hardware included in these requirements is designed for
mounting standard two-ply and three-ply tin-clad horizontally
sliding fire doors for protection of openings not exceeding the
dimensions for the hourly classifications indicated in Table
1.1.
These requirements do not cover automatic releasing or closing
mechanisms.
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