galvanized steel sheet, high quality insulation material poly foam, high definition embossed panels, finger joint pine as door edge, galvanized steel sheet with powder coating or PVC coating finish or heat transfer finished sheet. door frame: knock down packing structure. 1, Door skins: 26 \25 \24guage galvanized steel material 2, Door core: poly foam, 3 Finish: prime coating, powder coating and ...