Understanding Fire Compartmentation Surveys
Fire compartmentation is a critical life safety measure designed to limit the spread of fire and smoke within a building. A fire compartmentation survey assesses the integrity of fire-resisting walls, floors, ceilings, service risers, and penetrations to confirm that compartment lines are continuous and capable of performing as intended in the event of a fire.
Fire compartmentation surveys are particularly important in multi-occupancy buildings, higher-risk premises, and buildings operating compartment-based evacuation strategies. Over time, compartmentation can be compromised by building alterations, service installations, poor fire-stopping, or general wear and tear. A survey identifies these issues and provides a clear understanding of where fire resistance may be reduced or ineffective.
A robust fire compartmentation survey provides a defensible record of the condition of passive fire protection within a building. It supports compliance with fire safety legislation, informs maintenance and remedial planning, and ensures that fire and smoke are appropriately contained to protect occupants and support safe evacuation.
FAQ's
A fire compartmentation survey is a detailed inspection of fire-resisting walls, floors, ceilings, risers, and service penetrations. Its purpose is to confirm that compartment lines are continuous and capable of limiting the spread of fire and smoke, protecting occupants and supporting safe evacuation.
Compartmentation surveys are commonly required for multi-occupancy buildings, higher-risk premises, and buildings operating compartment-based evacuation strategies. They are also essential following refurbishment works, service installations, or where there is uncertainty over the condition or integrity of existing passive fire protection.
A survey reviews fire-resisting construction, fire-stopping around services, concealed spaces, risers, and junctions between elements. Findings are recorded clearly, often supported by photographs and plans, allowing defects, breaches, or missing fire-stopping to be identified and prioritised for remediation.
JRA Fire Safety Advisors deliver structured, non-intrusive fire compartmentation surveys that provide a clear understanding of passive fire protection performance. Our reports include practical, prioritised recommendations, supporting compliance, effective remedial planning, and long-term fire safety management.



















