Steel-Framed
Butt Joint

SteelFire STB80 Butt Joint

Steel-Framed Glass System
Combining elegance with strength, the Steelfire STB80 Butt Joint system offers a lighter and more refined approach. Designed to minimize intermediate profiles, it maximizes the glazed surface area. This innovative system opens up a multitude of possibilities in design and architecture, creating luminous spaces with enhanced transparency while maintaining impeccable fire safety standards.

Key Features

Fire Rated Glass Joint

Fire Resistive Glass

Fire Rated Components

Galvanized Steel Framing

Finish Options
RAL 9010

RAL 9010

RAL 9016

RAL 9016

RAL 7035

RAL 7035

RAL 9006

RAL 9006

RAL 7016

RAL 7016

RAL 9005

RAL 9005

Advantages
Flexible Fire Protection

Certified for 60, 90, and 120-minute fire ratings with hose stream testing, this system offers scalable protection to meet various safety requirements.

Features a minimal 4–6 mm edge-to-edge glass gap sealed with structural silicone in neutral, gray, or black, ensuring clean lines and a strong, modern look.

Capable of forming 90° to 120° glass corner joints and available in multiple configurations, this system supports versatile and creative architectural designs.

Ideal for indoor use, this system delivers fire safety and visual appeal without compromise, fitting a wide range of environments.

Designed with excellent sound insulation and minimal heat transfer, it enhances interior comfort and building efficiency.

With a high light transmittance of 75% to 82% and full-height glazing, the system maximizes daylight and open views.

The edge-to-edge glass design removes bulky frames, creating a sleek, modern appearance that complements contemporary spaces.

Seamlessly integrates with any STB80 door, providing design continuity and enhanced functionality across installations.

Attributes

Fire-rated
Intertek
Listed & Labled
Steel
Framing
Exterior & Interior Use
Hose Stream Tested
Accoustic Rating
Egress
Positive Pressure
Thermal
Broken Framing
Optical Properties
Cradle to Cradle Silver
10 Years Warranty

References

Downloads

STB80
Butt Joint
60/90/120 minutes

STB80
Butt Joint
60 minutes

STB80
Butt Joint
60 minutes

STB80
Butt Joint
90 minutes

STB80
Butt Joint
90 minutes

STB80
Butt Joint
120 minutes

STB80
Butt Joint
120 minutes

View
Catalog

Download
Catalog

View
Brochure

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Brochure

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