Passive Fire Protection Engineers London – Fire Doors & Compartmentation
At Masterfix, our passive fire engineers protect lives, assets, and compliance across residential and commercial buildings.
We deliver passive fire protection solutions, including expert fire door inspections, repairs and upgrades, alongside comprehensive fire compartmentation inspections and installations—ensuring buildings meet the requirements of the Building Safety Act, Fire Safety Order and current British Standards.
Fire Safety
Accreditations & Compliance
FIRAS Accredited Contractor, Engineers trained to BS 8214 & relevant British Standards, Building Safety Act aware and compliant, Safe Contractor Approved, Fully insured, audited, and quality-assured workforce
Fire Doors: Inspection, Repair & Certification
Fire protection doors are critical life-safety assets—and one of the most commonly non-compliant elements in buildings. Our FIRAS-accredited engineers inspect, repair, and upgrade fire doors in occupied environments, ensuring each doorset performs as designed in the event of a fire. We provide clear reporting, photographic evidence and certification to support audits and enforcement readiness.
Fire Compartmentation That Actually Works
Compartmentation failures allow fire and smoke to spread rapidly. Masterfix Maintain delivers professional compartmentation surveys and certified fire stopping installations that reinstate fire-resisting barriers throughout buildings. We work closely with managing agents, M&E contractors and building owners to ensure every penetration, riser and void is correctly protected.
Passive Fire Protection Systems FAQs
Yes. Masterfix is a FIRAS-accredited contractor for fire doors and passive fire protection works.
Yes. We provide inspections, detailed reports and certified remedial works under one accountable partner.
Absolutely. Our engineers are experienced in live residential and commercial environments.
Yes. Our services are designed to support accountable persons, duty holders and audit readiness.
More Trades from
Masterfix
Why Choose
Masterfix Passive Fire Engineers
FIRAS Accredited Assurance
Independent third-party certification for total confidence and compliance with passive fire protection measures.
Life-Safety Focused Delivery
Every decision prioritises occupant safety and regulatory responsibility when it comes to fire protection.
End-to-End Capability
Inspection, reporting, remedials, and upgrades under one partner.
Experienced in High-Risk Buildings
Proven expertise in high-rise, prime residential, and mixed-use assets, protecting buildings.
Clear Reporting & Audit Trails
Robust documentation to satisfy managing agents, fire risk assessors, and regulators.
Active Fire Protection Vs Passive Fire Protection
Passive fire protection refers to built-in systems designed to slow the spread of fire and smoke without needing activation. These include fire doors, fire stopping, building compartments, and intumescent coatings that protect structural elements and maintain fire resistance. Installed as part of the building structure, passive fire protection systems help protect escape routes, preserve structural integrity, and give occupants and emergency services valuable time to respond. A qualified passive fire engineer ensures all passive fire protection installations are installed correctly and meet regulatory standards.
In contrast, active fire protection systems respond when a fire occurs. Systems such as fire alarm systems, sprinklers, and smoke detection are designed to detect, alert, and suppress fire, helping occupants evacuate safely and limiting damage. These systems require regular maintenance and annual checks to ensure they function correctly when needed.
