Fire Doors & Opening Protectives

Practical interpretations, field tips, and real-world stories — not a copy of the standard.

What NFPA 80 covers, why it exists, and how it treats existing buildings

The other standards NFPA 80 leans on

The words a fire door inspector needs to get right

Labels, job-site preps, signs, glass, hardware, detectors and the wall around the door

How fire doors are tested, inspected and kept working

Ordinary hinged fire doors: frames, clearances, hinges, closers, latches and the rest of the hardware

Tin-clad and sheet metal swinging doors on heavy fire door hardware

Sliding fire doors that roll sideways along a track

Folding and accordion fire doors that stack to one side

Fire doors that drop down vertically over an opening

Coiling steel fire doors and how they drop and close

Shutters that protect window-type openings

Small fire doors over service counters and pass-through windows

Elevator and dumbwaiter landing doors as fire doors

Doors on trash and linen chutes

Small rated access panels in walls, floors and ceilings

Rated windows: frames, glazing size and labels

Fire-rated glass block walls in openings

Fire dampers: installing, testing and keeping them working

Stage fire curtains across proscenium openings