The hermetically sealed metal doors have been specifically designed for use in areas where hygiene and the control of air leakage is critical. The doors offered by us are extremely durable & are hermitically sealed for proper air tightness. The door has a unique wrap around frame with a neoprene seal incorporated which enables the door to seal perfectly. Hectra offering following type of doors : gi powder coated metal doors stainless steel (ss doors) high pressure laminated doors automatic semi automaticmanual sliding doors fire proof doors