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...
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 size for a 90 minute (1 1/2 hour) door depends on the type of glass being installed.
Wire glass = 100 square inches is max exposed glass when wire glass is used.
Note - ma...
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...
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...
A UL 20 minute fire rating is the maximum fire rating for a Full Glass (FG) door design.
A14-Series door construction:
Max fire rating is 20 minute. UL label only
FG must use Over-Lapping Stee...
When dealing with glass lights in doors, there are three (3) critical dimensions which must be coordinated:
Exposed Glass Size (EGS) - the horizontal and/or vertical dimensional size of the vision...
Minimum dimensions to cutouts for glass lights:
Vertical edge of door to edge of cutout = 5 29/32"
Top of door to top of cutout = 6"
Bottom of door to bottom of cutout = 10"
Reinforcing chann...
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...