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Fire stopping issue around a fire door frame with missing or incomplete fire stopping

Defect Guide

Fire Stopping Issues Around Fire Doors

Incomplete, missing or damaged fire stopping around a fire door frame can create hidden pathways for fire and smoke spread. During inspection, this defect should be clearly recorded with evidence photos, location notes and appropriate remedial guidance.

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Defect Overview

What Are Fire Stopping Issues?

Fire stopping is the fire-resistant material or system used to seal gaps, openings and service penetrations around the fire door frame and surrounding wall construction. If it is incomplete, missing, incorrectly installed or damaged, the fire door set may not provide the expected level of compartmentation.

For property managers, landlords, facilities managers and responsible persons, the key point is that fire stopping works with the door, frame and seals to help contain fire and smoke. A defect in this area may not always be obvious during routine use, which is why structured inspection and photographic evidence can be important.

Risk & Impact

Why This Defect Matters

Fire stopping defects can affect how a door set performs as part of the wider fire strategy for a building.

  • Fire and smoke may bypass the door set
  • Compartmentation can be weakened
  • Escape routes may be affected
  • The defect may require remedial works by a competent contractor
  • Poor previous installation or later damage may not be obvious without inspection

Inspection Notes

How Inspectors Record Fire Stopping Defects

Where fire stopping issues are observed, inspection notes should be clear enough for duty holders and contractors to understand what was found.

  • Door reference or location
  • Evidence photo
  • Description of missing, damaged or incomplete fire stopping
  • Visible gaps around frame
  • Related seal, frame or alignment issues
  • Suggested remedial priority where applicable

Non-invasive inspections may only record visible evidence at the time of visit. Where fire stopping is concealed within the wall construction, further investigation by a competent specialist may be needed if a defect is suspected but cannot be confirmed from visible inspection alone.

Visible Indicators

Common Signs of Fire Stopping Problems

These are examples of visible indicators that may be recorded where observed during inspection.

  • Open gaps around the frame

    Visible voids between the frame and surrounding wall construction may indicate missing or failed fire stopping.

  • Crumbling or missing material

    Damaged, loose or absent fire-resistant material around the opening can reduce the intended fire separation.

  • Poorly filled voids

    Incomplete filling of gaps or service openings may leave unprotected pathways around the door set.

  • Damaged frame edges

    Frame damage at the interface with the wall can disturb fire stopping and affect overall performance.

  • Visible separation between frame and wall

    A clear gap or movement at the frame-to-wall junction may suggest inadequate or failed sealing.

  • Inconsistent sealant or unsuitable filler

    Non-fire-rated fillers or poor application may not provide the required level of protection.

  • Previous alterations around the door opening

    Works around the frame, services or wall construction may have disturbed original fire stopping.

Remedial Planning

What Should Be Done Next?

The next action depends on severity, building type and inspection findings. Fire stopping defects should be addressed by competent contractors using appropriate fire-rated materials and methods — not informal or uncertified repairs.

Recommended next steps may include:

  • Recording the defect
  • Reviewing the door location and fire strategy
  • Arranging competent remedial works
  • Reinstating suitable fire stopping
  • Re-inspecting or updating records after completion

Typical journey after a defect is recorded: inspection finding → defect noted in the fire door report → remedial works planned → re-inspection confirms the issue has been addressed where appropriate → door register or report evidence updated. See also inspection limitations and next steps after defects are found. For London bookings, see fire door inspections London.

Seeing a different visible issue? Use the Fire Door Defect Identifier to find the closest guidance and next steps.

FAQ

Common Questions About This Defect

What does fire stopping around a fire door frame actually mean?
It refers to the fire-resisting materials and methods used to seal the gap between the door frame and the surrounding wall or structure so fire and smoke cannot bypass the door set. Typical concerns include missing, incomplete, damaged or inappropriate packing and sealants at the frame perimeter. It is separate from the intumescent seals on the leaf or frame rebate.
Are fire-stopping defects always visible during a routine inspection?
Not always — some detailing is hidden behind architraves, finishes or linings, so inspectors may only see what is accessible or where finishes are incomplete. Where visibility is limited, findings may note restricted access or recommend further investigation. Absence of a visible defect does not prove fire stopping is present and correct throughout.
Who should carry out remedial fire stopping at a door frame?
Remedial works should be undertaken by competent contractors using appropriate fire-rated materials and methods for the wall construction and gap size. Informal fillers, ordinary expanding foam or uncertified patching are generally not suitable substitutes. Product selection and installation should follow manufacturer guidance and the building’s fire strategy where available.
Is re-inspection needed once fire stopping has been reinstated?
Yes — after remedial fire stopping it is good practice to re-inspect the frame perimeter (as far as accessible) and update records to show the defect has been addressed. If finishes were opened up for the works, confirming reinstatement and any related door defects at the same time is usually sensible.

Related Defects

Related Fire Door Defects

Other common fire door inspection defects that may be recorded alongside this issue.

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