- Frame shall be 20 gage hot dripped galvanized steel
- Door shall be 20 gage electro-galvanized steel and shall be lined with 3/8" mineral fiberboard
- Gasketing shall be flame retardant polyurethane
- Locks shall have plastic grommets and shall be square head key wrench operated
- Hinge shall be concealed pivot with with a controlled action device (CAD), except for size 12" x 12"