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“ What size glass can I get? ”

RELATED FAQS

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...:

What is the maximum glass size available on the T-Series door?

Resolution: 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...:

How is glass cutting size figured for standard or special glass light installed?

Resolution: The GCS (Glass Cutting Size) is determined by adding 1 1/4" to EGS (Exposed Glass Size) to both the height and width dimensions. Ex: EGS = 20" w. x 30" h. GCS = 21 1/4" wide x 31 1/4" high St...:

What is the maximum glass light size available on a 20 minute sidelight frame?

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...: