Constructed of 16-gauge plate-steel, these doors feature a core foamed-in-place Gaffco™ bullet resistant fiberglass. The frames are fabricated from 16 gauges, fully welded, prime painted, mortised, and reinforced for required hardware. Units are shipped pre-hung with a roton heavy-duty continuous hinge. Frames are available in wrap, butt, and split designs, and are custom sized for specific wall thickness.