If you have ever had a BM TRADA fire door inspection carried out on a building you own or manage, the findings may have surprised you. Fire doors that look perfectly functional from the outside with no visible damage, no obvious wear – regularly fail inspection on multiple points. And the failures that inspectors find most consistently are not unusual or obscure.
They’re the same issues, appearing again and again, across buildings of every type and age.
Understanding what those failures are and why they matter is one of the most useful things a building owner, facilities manager, or responsible person can do. Because a fire door that looks fine and a fire door that performs in a fire are not always the same thing.
What Is a BM TRADA Fire Door Inspection?
BM TRADA is one of the UK's leading certification and testing bodies for timber and fire door products and installations. A BM TRADA fire door inspection is carried out by a qualified, independently certified inspector who assesses fire doors against a defined set of criteria, covering the door leaf, frame, hardware, seals, and installation quality – to determine whether each door is fit for purpose as a life safety component.
The inspection is not a general maintenance check. It is a technical assessment of whether each door assembly, as installed and in its current condition, would perform its intended function in a fire – containing flames and smoke for the rated period to protect escape routes and maintain compartmentation.
The findings carry weight with building control bodies, insurers, and enforcement authorities, and they carry consequences when deficiencies are left unaddressed.
What Are the Most Common Failures Found During Fire Door Inspections
Intumescent seals are one of the most frequently cited failures in fire door inspections and one of the most critical. These seals, fitted into the door edge or frame, expand rapidly when exposed to heat to close the gap between door and frame and prevent the passage of flames and hot gases.
Incorrect or missing intumescent seals
When seals are missing, incorrectly fitted, damaged, or of insufficient specification for the door rating, that protective expansion cannot occur as intended. In a fire scenario, the gap around the door becomes a pathway rather than a barrier. Inspectors find missing seals, seals that have been painted over, significantly reducing their effectiveness and seals that have been fitted to the wrong profile or in the wrong location with notable regularity across all building types.
Excessive gaps between door and frame
The gap between a fire door leaf and its frame is not a cosmetic detail but a performance specification. For most fire doors, the permitted gap is three to four millimetres on the sides and top.
Gaps that exceed this threshold – whether from poor installation, timber movement, or wear over time compromise the door's ability to contain fire and smoke even when seals are present and in good condition. This is one of the most common findings across inspection programmes, particularly in older buildings and in doors that have been rehung or adjusted without reference to fire door tolerances.
Non-compliant or missing self-closing devices - A fire door that is propped open or that fails to return to a fully closed position offers no protection whatsoever. Self-closing devices are a mandatory component of any fire door assembly; they ensure the door returns to the closed position after every use, maintaining compartmentation continuously rather than only when someone remembers to close the door behind them.
Inspectors find self-closers that have been removed entirely – often because occupants found them inconvenient; self-closers that are too weak to pull the door fully shut against the resistance of the latch, and self-closers that have failed mechanically and are no longer functioning.
Each of these findings represents a fire door that is operationally open in a fire scenario regardless of how well every other component performs.
What Should Building Owners Do When Failures Are Identified?
Inspection findings are only valuable if they are acted upon. A report that documents failures and then sits in a filing cabinet does not make a building safer remediation does.
For straightforward failures – seal replacement, gap adjustment, self-closer repair, remediation is relatively quick and cost-effective when carried out by a competent specialist. For doors with more significant deficiencies structural damage, non-certified components, or fundamental installation failures, replacement by a qualified installer is often the appropriate course of action.
Capital Fire Doors provides the full spectrum of passive fire protection services — from BM TRADA certified inspection through to fire door installation, repair, maintenance, and remediation, giving responsible persons a single specialist partner for identifying failures and resolving them to the standard that genuine fire safety requires.
Frequently Asked Questions (FAQs)
How often should fire doors be inspected?
Current guidance recommends fire doors in high-traffic areas are checked every one to three months, with a full inspection by a competent person at least annually. Buildings covered by the Fire Safety (England) Regulations 2022 may have more frequent statutory requirements.
Can fire door failures be remediated without replacing the whole door?
In many cases, yes. Seal replacement, self-closer adjustment, gap correction, and hardware upgrades can often restore compliance without full door replacement – a competent inspection will determine the appropriate course of action.
What is the legal consequence of ignoring fire door inspection failures?
Responsible persons who fail to act on known fire door deficiencies face enforcement action, prohibition notices, fines, and in serious cases criminal liability under fire safety legislation.
Final Thoughts
The failures found most commonly during BM TRADA fire door inspections are not the result of unusual circumstances or exceptional negligence. They’re the predictable consequence of maintenance that has not kept pace with the demands of life safety components in active use.
The good news is that most of them are entirely fixable when identified early by a qualified inspector and addressed by a competent specialist. Capital Fire Doors delivers both the inspection expertise to find what is failing and the installation and remediation capability to put it right.
For building owners and responsible persons who take fire safety seriously, that combination is exactly what the job requires.
