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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 22, 1998
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 (ASTM E152, NFPA No. 252).
Requirements for the location and time rating are contained in
codes, such as the BOCA National Building Code, Standard Building
Code (for SBCCI), and Uniform Building Code (for ICBO). 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 Windows, 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.
A product that contains features, characteristics, components,
materials, or systems new or different from those covered by the
requirements in this standard, and that involves a risk of fire or
of electric shock or injury to persons shall be evaluated using
appropriate additional component and end-product requirements to
maintain the level of safety as originally anticipated by the
intent of this standard. A product whose features, characteristics,
components, materials, or systems conflict with specific
requirements or provisions of this standard does not comply with
this standard. Revision of requirements shall be proposed and
adopted in conformance with the methods employed for development,
revision, and implementation of this standard.
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