When Does a Fire Door Require Replacement?

Not every defect requires a new doorset. Understanding when repair is appropriate and when replacement becomes necessary can help responsible persons make informed, proportionate decisions.

One of the most common questions following a fire door inspection is:

"Does this door need replacing?"

The answer is not always straightforward.

In many cases, defects can be rectified through repair, adjustment or replacement of individual components. In other circumstances, replacement may be the only practical and proportionate solution. The key is understanding the difference.

The Problem with Assumptions

It is sometimes assumed that the discovery of a defect automatically means that a complete door replacement is required. Whilst this may be appropriate in some situations, it is not always the most effective or proportionate course of action.

Fire doors are assemblies made up of numerous components, including:

• Door leaf

• Frame

• Hinges

• Self-closing devices

• Intumescent and smoke seals

• Glazing systems

• Ironmongery

A defect affecting one component does not necessarily mean the entire assembly has reached the end of its serviceable life.

Situations Where Repair May Be Appropriate

Subject to inspection findings, examples of defects that can often be addressed through remedial works include:

• Missing or damaged seals

• Worn or unsuitable hinges

• Defective self-closing devices

• Minor frame repairs

• Excessive operating gaps that can be corrected through adjustment

• Damaged ironmongery

Where the underlying doorset remains fundamentally sound, repair can often restore acceptable performance.

Situations Where Replacement May Be Necessary

There are occasions where replacement becomes the most practical solution. Examples may include:

• Severe damage to the door leaf or frame

• Extensive unauthorised alterations

• Significant warping, twisting or distortion

• Incompatible glazing systems

• Doors that cannot be economically repaired

• Situations where the original fire-resisting performance cannot reasonably be evidenced

In such cases, continued repair attempts may become impractical, costly or incapable of delivering a satisfactory outcome.

Evidence Before Conclusions

A common challenge within the industry is the tendency to move too quickly from identifying a defect to recommending replacement.

A more defensible approach is to ask:

"What evidence exists to support repair?"

and

"What evidence exists to support replacement?"

Only after considering the available information should a recommendation be made.

A Proportionate Approach

The objective of a fire door inspection is not simply to identify faults. It is to provide clear information that supports informed decision-making.

Some doors will require replacement.

Many will not.

The most appropriate recommendation is the one that is supported by the available evidence, is technically defensible, and reflects the specific circumstances of the building and the door being assessed.

At AF Fire Compliance Ltd, our inspections are focused on providing clear, proportionate and evidence-based findings to assist responsible persons, managing agents and building owners in making informed decisions regarding their fire door assets.

About the Author

David Smith is the Director of AF Fire Compliance Ltd and provides independent fire door inspection services throughout London, the South East and South West. He is a FireQual Certified Fire Door Inspector and an Affiliate Member of the Institution of Fire Engineers (IFE), specialising in clear, proportionate and evidence-based fire door inspections to support informed decision-making.