Normal and self-closing hinged doors are commonly used in the construction of cold rooms and other temperature-controlled environments to provide access while maintaining the desired temperature and preventing air leaks.

Normal hinged doors operate like typical doors, with a handle or latch that must be manually operated to open and close the door. These doors are commonly used in cold rooms where frequent access is required and maintaining a constant temperature is less critical.

Self-closing hinged doors, on the other hand, are designed to automatically close and latch when released, helping to maintain the temperature of the cold room and prevent air leaks. These doors are typically used in cold rooms where temperature control is critical, such as in food processing or pharmaceutical storage.

Self-closing hinged doors are available in a range of styles and sizes to accommodate different requirements, and may include additional features such as magnetic gaskets and internal heaters to prevent frost buildup.

Both normal and self-closing hinged doors for cold rooms are typically made of durable materials such as steel or aluminum, and may be insulated to provide additional temperature control and energy efficiency. The doors may also be fitted with window panels to allow for visibility into the cold room without compromising temperature control.

Overall, selecting the appropriate type of hinged door for a cold room will depend on the specific requirements of the application, including the level of temperature control needed, frequency of access, and desired features such as visibility and insulation.