Latest Version | 2025/2026 | Correct &
Verified
What is the main purpose of NFPA 80?
✔✔To provide requirements for the installation and maintenance of fire doors and openings.
How often must fire doors be inspected according to NFPA 80?
✔✔At least once a year.
What is the minimum fire-resistance rating required for a fire door assembly in an exit corridor?
✔✔20 minutes to 3 hours, depending on building occupancy and code.
Who is responsible for ensuring fire doors are maintained in proper working order?
✔✔The building owner or designated authority having jurisdiction.
What is the primary purpose of a self-closing device on a fire door?
✔✔To automatically close the door to prevent the spread of fire and smoke.
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, Can a fire door be propped open during normal operations?
✔✔No, unless it is equipped with an approved hold-open device released by smoke detection.
What type of materials are typically used in fire door construction?
✔✔Steel, gypsum, or wood assemblies listed and labeled for fire protection.
What is required after a fire door has been repaired?
✔✔It must be tested to ensure it closes and latches properly.
How should gaps around a fire door be maintained?
✔✔Within manufacturer’s specifications to prevent passage of smoke and flames.
What is the purpose of a labeled fire door?
✔✔To indicate that the door assembly has been tested and listed for fire protection.
What is the maximum allowable clearance between a fire door bottom and the floor?
✔✔¾ inch or as specified by the manufacturer.
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