Fire door inspections, and what fails them

A fire door only works if it closes fully, latches, and has nothing holding it open. In the United States, fire door assemblies are inspected and tested annually under NFPA 80, with the results documented. The inspection itself takes a few minutes per door. The findings are usually the same handful of defects, repeated across a building.

The checks

NFPA 80 lists the items for a swinging door with builders hardware. In practice the round looks like this.

• •No open holes or breaks in the door or the frame
• •Glazing, vision panels, glazing beads and frames intact and properly secured
• •The door, frame, hinges, hardware and threshold secure, aligned and in working order, with no missing or broken parts
• •Clearances at the edges within the permitted range
• •The self-closing device works and closes the door fully
• •No field modifications that were not approved
• •Gasketing and edge seals present and in good condition where required
• •Signage on the door not interfering with its operation or exceeding what is permitted
• •The door latches when it closes, on its own, every time
• •Nothing is blocking or holding the door open
• •The label is present and legible

Four defects you will find in every building

• •Doors wedged open, usually with a fire extinguisher or a bin
• •Closers disconnected or adjusted so the door stops short of latching
• •Holes drilled for cables or removed hardware, never filled with an approved material
• •Painted-over or missing labels, which turns an identification question into a much larger problem

Why the gaps matter more than they look

A few millimetres of clearance at the top or sides sounds trivial next to a wedged-open door. It is not: the assembly is tested as a whole and the gap is where smoke and hot gases travel first. Measure the clearance rather than eyeing it, and record the number.

Photograph every failure, and every label

The photograph is what turns a finding into a repair somebody can quote for without a second visit. The label photograph is what lets you identify the assembly later, when the question is whether a repair is permitted.

Number the doors and keep the list

Most buildings cannot say how many fire doors they have. Number them physically, put a code on each one, and the annual inspection becomes a walk with a list instead of a search. It also makes the record answer the question that actually gets asked, which is about one specific door.

Fix the small things at the time

Removing a wedge, adjusting a closer and tightening hinge screws are minutes of work. Recorded as findings and scheduled for later, they become a list of forty items and a contractor visit. Give the inspector the authority and the parts to fix the trivial ones as they go.