Fireproof window refers to a window that, together with its frame, can meet the requirements of fire stability and fire integrity within a certain period of time. When lighting and ventilation are required on the exterior walls of two buildings with insufficient fire separation distance, or between spaces separated by firewalls, fire-resistant windows should be used.
1) Fixed fireproof window: a fireproof window without openable window sashes.
2) Active fireproof window: a fireproof window with openable window sashes and equipped with window sash opening and closing control devices.
3) Insulated fireproof window (Class A): a fireproof window that can meet both fire integrity and insulation requirements within a specified time.
4) Non insulated fireproof window (Class C): a fireproof window that can meet the requirements of fire integrity within the specified time.