Double glazed fire door, including keel frame, fire glass, tempered glass and outer gland plate. The double-glazed fire door solves the sealing problem between the keel and the glass with fireproof rubber strip, which can effectively reduce the intrusion of flame and smoke, and has good fireproof and smokeproof performance.

ZHTdoors fire doors, 31 years of production experience in fire doors and Windows. The main UL fire doors, EN fire doors,  BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.