David Bolton Fire Door Annual Inspection: Why Hinges Fail the Walk-Through (And What to Do Before the Inspector Arrives) What This Article Covers and Who It Helps Every fire door in a commercial building must pass an annual inspection under NFPA 80. Facility managers, maintenance technicians, and the contractors they ca... NFPA 80 hinges annual fire door inspection ball bearing hinge commercial door hardware fire door compliance Aug 23, 2026