Free door/swing door

Our cold room hinged door consists of a door leaf,which is filled with 100mm to 150mm thickness polyurethane foam .100% polyurethane insulated under high pressure,high density of 43kg/m,with fire proof and resistance. For its specialized thermal bonding bar in the door frame and door sill, our product could effectively prevent the freezing in the seal and could be used where temperature is as low as -45 centigrade degree.Heater(For defrost) voltage: 24V/36V.Rubber around to avoid leakage.Safety handle mounted on the back of the door panel for inside emergency opening.