Steelcraft does not manufacture 12 gage closed section mullions. The maximum is 14 gauge.
Steelcraft can provide the outer perimeter (open sections only) of a transom frame in 12 gage material. ...
Lead lined frames are intended for use in the X-ray Room locations in Health Care facilities.
Frames are provided by Steelcraft prepped as follows:
Frames are supplied knock-down (KD).
Fram...
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, ...