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UL 10B Document Information:
Title
UL Standard for Safety Fire Tests of Door Assemblies
Underwriters Laboratories Inc.
Publication Date:
Feb 7, 2008
Scope:
These methods of fire tests are applicable to door assemblies of
various materials and types ofconstruction for use in wall openings
to retard the passage of fire.
Tests made in conformity with these test methods register
performance during the test exposure; andsuch tests shall not be
construed as determining compliance for use after exposure to
fire.
It is the intent that tests made in conformity with these test
methods develop data to enable regulatorybodies to determine the
compliance of door assemblies for use in locations where fire
resistance of aspecified duration is required.
These methods are intended to evaluate the ability of a door
assembly to remain in an opening duringa predetermined test
exposure.
The tests expose a specimen to a standard fire exposure
controlled to achieve specified temperaturesthroughout a specified
time period, followed by the application of a specified standard
fire hose stream.The exposure, however, is not representative of
all fire conditions, which vary with changes in the amount,nature,
and distribution of fire loading, ventilation, compartment size and
configuration, and heat sinkcharacteristics of the compartment. It
does, however, provide a relative measure of fire performance
ofdoor assemblies under these specified fire exposure
conditions.
Any variation from the construction or conditions that are
tested is capable of substantially changingthe performance
characteristics of the assembly.
The methods do not provide the following:
a) Full information as to performance of all door assemblies in
walls constructed of materialsother than those tested.
b) Evaluation of the degree by which te door assembly
contributes to the risk of fire bygeneration of smoke, toxic gases,
or other products of combustion.
c) A temperature limit on the unexposed side of the door
assembly.
d) A limit on the number of openings intended in glazed areas or
of the number and size oflateral openings between the door and
frame.
e) Measurement of the degree of control or limitation of the
passage of smoke or products ofcombustion through the door
assembly.
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