Frequent Deficiencies
- Improper clearances — undercut, top, or side gaps exceeding current NFPA 80 allowances
- Latching failure — door does not positively latch under full self-closing force
- Missing, damaged, or unreadable fire-rating labels on door or frame
- Self-closing failure — door does not close fully from any open position without manual assist
- Unapproved modifications — field cuts, added glass, non-listed hardware, or altered assemblies
- Coordinator sequencing failure on pair openings — active leaf closing before inactive