Profile: C & J Building Products specializes in hollow metal doors. Our product line includes doors, frames, and hardware components. Our doors are 1 3/4" (45 mm) in thickness, & available in 20, 18, 16 and 14 gauge. The doors are mechanically interlocked along the vertical hinge and lock edges. 16 and 14 gauge doors are available with full weld seam, & designed with a 1/8" (3 mm) in 2" (50 mm) bevel for ease of fit and operation. The door face sheets are premium quality panel flat tension levelled, and are flush and free from any seams or joints. Our steel frames are equipped with 8, 16, 14 and 12 gauge, full face welded or 3 piece knockdown, single back bend or drywall return, mortised, reinforced, drilled, and tapped for 4 1/2" standard template hinge, and 4 7/8" standard strike.