The door is made of galvanized steel or cold-rolled steel.
The thickness of the door skin is 20GA(0.9mm)or 18GA(1.1mm)and the frame's thickness is 16GA(1.5mm).
Hinge,closer,lock and strike plate reinforcements shall be provided.
Hinge reinforcement:10GA(3.5mm)
Closer reinforcement:12GA(2.5mm)
Lock reinforcement:16GA(1.5mm)
Strike plate reinforcement:16GA(1.5mm)
The top ,bottom and side closures are fabricated from 16GA(1.5mm) thick channel shaped steel sections welded to the front and back door skins.Flush top channel:16GA(1.5mm)
Laser-welded side-seamed edge.
Widths up to and including 4'0"
Height up to and incluing 8'0"
Available with polystyrene core or honeycomb core.