- Door frame and door blade of galvanized steel sheet panels with nontoxic plastic cadding
- Insulation with injected polyurethane D=40 Kg/m3
- Door blade finished with smooth anodized aluminium sections with countersunk screw
- Door frame finihed with PVC sections
- Heating cable and compensation valve for negative temperature doors (PP-PN)
- Heating cable for negative temperature hatches (SP2-SN2)
- Self-closing hinges in composite corrosion resistant material
- Lockable door with internal safety device in nylon and metallic parts in corrosion-resistant stainless steel (PP-PN)
- Lockable hatch with diecast aluminium key, epoxy powder painted with protected handle (SP2-SN2)
- Several types of handles and locks as options