Fire-Rated Steel Doors
Protect occupants, assets, and building integrity with professionally specified fire-rated steel doors designed to contain fire and smoke while maintaining safe escape routes.
Sentry Automation specialises in the specification, supply, installation, repair, servicing, and maintenance of certified fire-rated steel doors engineered for demanding commercial and industrial environments.
Our doors are tested and certified to recognised fire-resistance standards, providing proven fire containment for defined periods while ensuring durability, compliance, and long-term reliability.
QUALIFIED | CERTIFIED | TRUSTED
Engineered for Fire Safety & Compliance
Fire-rated steel doors are designed to resist the spread of fire and smoke, helping protect escape routes and compartmentalise buildings during a fire.
Our systems provide:
- Certified fire resistance from 30 to 240 minutes
- Integrity and insulation (EI ratings)
- Heavy-duty steel leaf and frame construction
- Fire and smoke sealing systems
- Self-closing mechanisms and compliant ironmongery
- Reliable performance in high-traffic environments
These doors are essential for maintaining building safety and are widely used in commercial, industrial, and public-sector buildings.
Fire Ratings Explained – Choosing the Right Protection Level
Selecting the appropriate fire rating ensures compliance with fire safety regulations and provides the necessary level of protection based on building use and risk.
EI30 Fire-Rated Steel Doors (30 Minutes)
Provides integrity and insulation for up to 30 minutes, helping to contain fire and smoke during the initial stages. Typical applications include:
- Internal corridors and escape routes
- Offices and commercial spaces
- Low-risk areas
- Service cupboards and risers
EI60 Fire-Rated Steel Doors (60 Minutes)
Offers one hour of fire resistance, providing increased protection and evacuation time. Typical applications include:
- Plant rooms and service areas
- Warehouses and storage spaces
- Commercial kitchens
- Medium-risk industrial environments
EI120 Fire-Rated Steel Doors (120 Minutes)
Delivers two hours of fire resistance for enhanced compartmentation and asset protection. Typical applications include:
- Industrial facilities
- Distribution centres
- Basement areas and car parks
- High-risk storage zones
EI240 Fire-Rated Steel Doors (240 Minutes)
Provides up to four hours of fire resistance for critical and high-risk environments. Typical applications include:
- Critical infrastructure
- Data centres and server rooms
- Hazardous material storage
- High-value asset protection areas
Additional Performance Options
Our fire-rated steel doors can be configured with a wide range of performance and compliance features:
- Smoke control (Sa and S200 ratings)
- Acoustic insulation for noise reduction
- Thermal insulation for improved U-values
- Security-rated options (SR2 / SR3)
- Vision panels with fire-rated glazing
- Louvre panels and ventilation options
- Single and double leaf configurations
- Durable powder-coated or specialist finishes
Each door set is tailored to meet the specific requirements of the building and its fire strategy.
Professional Specification & Installation
We work closely with architects, contractors, and fire safety consultants to ensure the correct door rating and configuration is specified.
Our experienced engineers handle the complete process from specification and supply through to installation and commissioning, ensuring full compliance and reliable performance.
Repairs, Servicing & Maintenance
Fire doors are critical life safety systems and must be maintained to remain compliant. We provide:
- Fire door inspections and compliance checks
- Hinge, closer, and seal replacement
- Alignment and operational adjustments
- Hardware and locking system repairs
- Planned preventative maintenance programmes
Regular servicing ensures continued compliance and reliable performance in the event of a fire.
Ideal For…
- Commercial buildings and office spaces
- Industrial facilities and warehouses
- Hospitals and healthcare environments
- Schools and public buildings
- Data centres and plant rooms
- Car parks and service areas
Why Choose Us?
- Specialists in certified fire-rated steel doors
- Complete service: supply, install, repair, and maintain
- Fully compliant fire protection solutions
- Experienced engineers and professional installation
- Long-term maintenance and support