ASTM E-119 is a test standard for walls, partitions and floor or roof systems:
This test standard is also used for ceramic type glasses when used as window wall and/or borrowed light frames.
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Dutch doors are available as Fire Rated door assemblies and have similar component requirements as a single leaf fire door. Exceptions are as follows:
The Dutch Door assembly must have a lock...
On fire rated transom and/or sidelight frames and fire rated window frames, Steelcraft labeling procedures only control the O/A width and/or height of the frames based on wall condition. The amount...
Glass lights are available in fire rated T-Series doors:
Limited to one (1) light per door leaf with a maximum of 100 square inches of exposed glass.
This applies to all hourly ratings a...
Maximum glass light sizes for 3 hour fire doors is as follows:
Wire glass - not approved for use in 3 hour fire doors.
Ceramic glass:
UL & ITS/WH allow one (1) light with 100 square inc...
DW-Series Fire Rated Borrowed Lights are available in the following sizes:
60 minute (1 hour) rating = 2721 square inches of visible glass.
maximum frame rabbet to rabbet dimensions = 78 1/4...