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“ narrow light dimensions ”

Resolution: 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...:

What is the maximum glass light size on a 3 hour (180 minute) fire rated door?

Resolution: 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...:

What is the maximum glass light size on a 90 min (1 1/2 hour) fire rated door?

Resolution: Standard listed wire glass: one (1) light with 100 in2 per door leaf max.Firelite or other appropriately listed glass:• FM maintains one (1) light with 100 in2 per door leaf max.• UL &...:

What is the minimum dimension from the edge of the door to a glass light cutout?

Resolution: 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...:

Are multiple narrow lights available?

Resolution: Yes. Multiple glass lights are available on specific door series as a special option as noted below: L-Series and SL-Series: Core options - Standard honeycomb, polystyrene, polyurethane Lig...:

NARROW LIGHT

Resolution: N, N3, N4, N5, LNL; Vision Panel:

What is the maximum size of a welded elevation frame?

Resolution: The following size limitations per frame unit, are in enforced for welded elevation frames shipped from the factory. These limitations are in place due to the physical size of shipping tr...:

What is the rough opening in walls for frame installations?

Resolution: For DW, K three sided frames and four sided borrowed light frames: Three sided frame = door opening width (order size) plus 1 1/2" minimum to 2" maximum and the door opening hei...:

What is exposed glass size?

Resolution: 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...:

Will 1 7/16" thick glass require a special rabbet size on borrowed light frames?

Resolution: Yes. 1 7/16" thick glass but a special rabbet size is required. The size of rabbet required for the frames would depend on the size of the glazing bead being used. For 1" wide glazing stops, ...:

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“ narrow light dimensions ”

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