BESA DW145 Compliant Fire Damper Testing and Documentation Services for Commercial and Residential Properties
Fire dampers are critical components in building fire safety, preventing the spread of fire and smoke through ventilation systems. The industry faces challenges, including widespread non-compliance, lack of awareness, outdated systems, and maintenance difficulties. The Building Engineering Services Association (BESA) has updated its DW145 guidance to address these issues, mandating annual manual testing and inspection of fire dampers, with more frequent checks based on risk assessment.
The regulations emphasize proper installation, detailed documentation of testing and maintenance records, and the use of qualified professionals for all fire damper-related work. These measures aim to enhance overall fire safety, ensure regulatory compliance, and improve the effectiveness of fire damper systems in protecting lives and property.

Talk to our experts
At SOCOTEC UK and Ireland, our Fire Safety Practice division is dedicated to providing comprehensive fire safety solutions that protect lives and property. Our expert team specialises in critical life safety components such as fire dampers, which play a vital role in preventing the spread of fire and smoke through building ductwork.
With our extensive experience and technical expertise, we assess your fire dampers to check they are fully compliant, functional, and contribute to the overall fire safety and resilience of your buildings.
How can SOCOTEC support?
We deliver excellence through our highly trained and qualified inspection professionals. With a proven track record trusted by industry leaders worldwide, we offer comprehensive Testing, Inspection, and Certification (TIC) solutions. Our commitment to digital excellence ensures modern reporting and documentation systems. By choosing SOCOTEC, you’re partnering with a global leader in risk management and asset integrity, dedicated to building trust for a safer and sustainable world.
Fire Damper Testing Services
Visual Inspections
- Thorough examination of damper accessibility
- Assessment of physical condition and mounting
- Documentation of any visible damage or obstructions
Operational Testing
- Complete cycle testing of damper mechanisms
- Fusible link and actuator functionality verification
- Response time measurements and performance validation
Compliance Reporting
- Detailed inspection reports with photographic evidence
- Regulatory compliance documentation
- Corrective action recommendations
- Digital record keeping and tracking
Maintenance & Repairs
- Professional repair services for failed components
- Preventive maintenance programs
- Emergency response capabilities
- Replacement part sourcing and installation
Steps Involved in Fire Damper Testing
- Locate all fire dampers using building schematics or conduct site surveys to identify positions.
- Gain access through existing hatches or install new access panels where dampers are inaccessible.
- Perform a visual inspection, checking for obstructions, corrosion, and proper installation within fire-compartment walls.
- Clean damper blades and operating mechanisms, removing dust and debris that could impair closure.
- Conduct a drop test by manually releasing the fusible link to verify the damper closes completely.
- Reset the damper mechanism and replace the fusible link, ensuring the system is ready for emergency activation.
- Record all findings, including damper condition, test results, and any anomalies in the installation.
Industries where we offer our services:
The Importance of Fire Damper Maintenance
Regular maintenance of fire dampers is critical to ensuring their effectiveness in preventing the spread of fire and smoke. Properly maintained dampers enhance safety, comply with fire safety regulations, and ensure the longevity of the fire protection system.
It also ensures operational readiness, guaranteeing that the dampers will function correctly in the event of a fire. This maintenance is crucial for meeting regulatory compliance, as it adheres to legal requirements and standards. Additionally, proper upkeep prevents wear and tear, thereby extending the lifespan of the dampers. Most importantly, it provides safety assurance by protecting building occupants through effective fire containment, ensuring that the dampers perform their critical role in emergency situations.
Want to find out more about how we can support you with Fire Damper Testing Services ?







