13⁄4" thick, #18 gauge cold rolled steel. Mortised and reinforced for 11⁄2" pair of 41⁄2" full mortise template hinges (2pr. for 8'0" Hgt.) Class “A", “B", “C", “D", & “E" Underwriter's labels available. Doors prepared for cylindrical lock (Gov't 161) or mortise lock (Gov't 86). Inactive doors are prepared for mortise flush bolts, and ASA 47⁄8" strike. All doors reinforced for surface closers both sides. Manufacturer description below illustration. (ie. A standard flush door is: F) Prime coat finish.
