Transparent Fire Protection Systems

Modern architecture increasingly requires open, light-filled spaces without compromising safety.

Our fire-rated steel and glass doors allow architects to preserve transparency while achieving certified fire compartmentation.

PORTAMET manufactures bespoke glazed fire-rated systems featuring:

• Clear fire-rated glass
• Reeded fire-rated glass
• Tinted fire glass
• Oversized glazed screens
• Steel fire partitions
• Fixed and operable glazed elements
• Slim black steel profiles
• Minimalist industrial-style aesthetics

The combination of fire-rated glass and precision steel framing creates elegant architectural solutions for both modern and heritage projects.

Understanding Fire Resistance Ratings

Fire-rated steel doors are classified according to the amount of time they can resist fire, smoke, and heat transfer.

The “E” classification refers to integrity, meaning the system prevents flames and smoke from passing through.

The “I” classification refers to insulation, meaning the system also limits heat transfer to the non-fire side.

Fire Resistance Classifications

• EI30 steel doors — fire protection for 30 minutes
• EI60 steel doors — fire protection for 60 minutes
• EI90 steel doors — fire protection for 90 minutes
• EI120 steel systems — fire protection for up to 120 minutes

These classifications are essential for modern buildings requiring compartmentation, protected escape routes, and advanced passive fire protection.

EI30 Fire Rated Steel Doors

Slim Steel Fire Doors for Contemporary Interiors

EI30 fire-rated steel doors are among the most popular solutions for modern architectural interiors.

They provide 30 minutes of certified fire resistance while maintaining slim steel sightlines and elegant glazed aesthetics.

PORTAMET manufactures bespoke EI30 steel doors using advanced steel profile systems such as Jansen Economy 50 and Janisol 2.

Benefits of EI30 Steel Doors

• 30-minute fire resistance
• Slim steel profiles
• Large glazed panels
• Ideal for internal applications
• Excellent architectural appearance
• Compatible with modern and heritage interiors
• Available in black steel finishes
• Single and double door configurations
• Fixed glazed screens and sidelights available

Typical EI30 Applications

• Luxury apartments
• Office interiors
• Restaurants and cafés
• Hotels
• Residential staircases
• Internal glazed partitions
• Corridor separation
• Loft-style interiors

According to Jansen fire protection documentation, Janisol 2 EI30 systems support slim fire-resistant steel constructions with tested fire protection performance in accordance with EN 1634 standards.

EI60 Fire Rated Steel Doors

Advanced Fire Protection with Premium Steel Design

EI60 steel fire doors provide 60 minutes of fire resistance and are ideal for commercial buildings, public spaces, and high-end residential developments requiring increased protection.

At PORTAMET we manufacture bespoke EI60 steel doors using Janisol C4 thermally insulated steel systems.

Janisol C4 combines excellent fire resistance, thermal insulation, structural strength, and minimalist steel aesthetics.

Key Features of EI60 Steel Doors

• 60-minute fire resistance
• Thermally broken steel profiles
• Slim profile appearance
• Large fire-rated glazing possibilities
• Exceptional durability
• Acoustic insulation performance
• Smoke protection options
• Suitable for internal and external applications
• Compatible with panic hardware and access control

Ideal Applications for EI60 Doors

• Office buildings
• Hotels
• Public buildings
• Educational facilities
• Hospitals
• Commercial developments
• External entrances
• Staircase enclosures
• Escape routes
• Luxury residential projects

Jansen Janisol C4 EI60 systems are tested according to EN 1634-1 and support single and double steel fire doors, glazed partitions, smoke protection, and integrated fire-resistant glazing.

EI90 Fire Rated Steel Doors

Maximum Architectural Fire Protection

EI90 fire-rated steel doors provide up to 90 minutes of certified fire resistance for projects requiring advanced compartmentation and enhanced building safety.

PORTAMET manufactures bespoke EI90 steel doors using Jansen Janisol C4 systems engineered for demanding commercial and public-sector environments.

Despite the high fire resistance classification, Janisol C4 maintains elegant slim steel sightlines and large glazed areas.

Advantages of EI90 Steel Fire Doors

• 90-minute fire resistance
• Advanced thermal insulation
• Exceptional structural stability
• Slim steel aesthetics
• Large fire-rated glazing areas
• Smoke control compatibility
• Suitable for high-traffic buildings
• Durable welded steel construction
• Compatible with panic and escape hardware

EI90 Applications

• Airports
• Commercial towers
• Shopping centres
• Public infrastructure
• Healthcare facilities
• Universities
• Museums
• Industrial buildings
• Fire escape routes
• Large-scale residential developments

According to Jansen Janisol C4 technical specifications, EI90 systems achieve fire resistance ratings with profile depths of only 70 mm while supporting large glazed configurations and advanced smoke protection performance.

EI120 Fire Rated Steel Systems

Heavy-Duty Fire Protection for Critical Areas

EI120 fire-rated steel systems provide up to 120 minutes of fire resistance for buildings requiring the highest levels of passive fire protection.

These systems are commonly used for:

• Critical infrastructure
• Industrial facilities
• Data centres
• Underground car parks
• Technical rooms
• Fire compartment walls
• High-risk commercial environments

PORTAMET manufactures bespoke EI120 steel glazed systems and fire-rated partitions designed for demanding architectural and engineering requirements.

Certain Janisol C4 partition wall configurations can achieve EI120 classifications while maintaining steel and glass aesthetics.

Contemporary Industrial Design with Certified Protection

Black steel fire-rated doors are among the most desirable architectural features in modern UK interiors.

PORTAMET produces bespoke black steel fire doors inspired by industrial and Crittall-style aesthetics while incorporating advanced fire-resistant technologies.

Our black steel fire doors combine:

• Slim steel frames
• Large glazed panels
• Elegant welded construction
• Luxury architectural appearance
• Certified fire protection
• Custom glazing layouts
• Premium powder-coated finishes

These systems are ideal for luxury homes, offices, hospitality projects, and commercial interiors.

Premium Steel & Glass Fire Protection Systems

PORTAMET specialises in bespoke steel doors, fire-rated glazing, steel partitions, and luxury architectural steel systems.

Our expertise combines advanced steel engineering with handcrafted finishing and architectural precision.

Why Architects & Developers Choose PORTAMET

• Bespoke manufacturing
• Expertise in Jansen steel systems
• Premium welded steel craftsmanship
• Slim steel profile aesthetics
• Architectural project support
• Luxury finishes
• International project experience
• Residential and commercial expertise
• Tailored fire-rated solutions

We collaborate closely with architects, contractors, interior designers, and developers to deliver exceptional fire-rated steel systems for demanding projects.