Hermetic Door systems, which means leakproof door and where air insulation should be at a high level, is used in areas such as operating rooms, laboratories, x-ray rooms, cold air rooms. The sealing ratings of the environments vary and hermetic doors are produced according to such factors. The degree of tightness of the x-ray room and the cold air room is not the same. For this reason, every hermetic door requires a suitable model and production for its usage area.