Calgary Fire Rated Glass Solutions: Certified ULC Compliance for Commercial Buildings

In the evolving landscape of commercial construction in Calgary, compliance with the Alberta Building Code (ABC) and the National Building Code of Canada 2020 (NBC 2020) is non-negotiable for passive fire protection. Antifires provides certified fire-rated glass solutions that align with these stringent local regulations, specifically meeting the rigorous requirements of ULC S101 and ULC S104 standards for fire-resistance ratings. These assemblies are engineered to maintain integrity and insulation in critical applications such as egress corridors, stairwell enclosures, and fire separations, as mandated by Calgary's zoning bylaws. By integrating advanced intumescent gel technology and robust framing systems, these glazing solutions ensure that building designs achieve both safety compliance and architectural transparency. For detailed regulatory context, the National Research Council Canada's NBC 2020 documentation provides authoritative guidance on fire protection requirements. Whether for new high-rise developments or retrofitting heritage structures, these systems offer a reliable pathway to meeting local code enforcement while supporting modern aesthetic goals.

Aligning Fire Rated Glass with Alberta Building Code and NBC 2020 for Calgary Projects

Calgary's building permits require strict adherence to the Alberta Building Code, which directly references the National Building Code of Canada 2020 for fire-resistance ratings. Antifires' fire-rated glass assemblies are tested under ULC S101 and ULC S104 standards, ensuring they provide the necessary passive fire protection in egress corridors and stairwell enclosures as dictated by local zoning bylaws. These systems are designed to withstand fire exposure while maintaining structural integrity, with certified performance metrics such as integrity (E) and insulation (I) ratings that meet or exceed the 45-minute to 2-hour requirements typical for commercial projects. The use of intumescent interlayers and ceramic wool seals ensures that gaps and thermal bridging are minimized, a critical factor in maintaining compartmentation. By aligning product specifications with the ABC's prescriptive paths, architects and engineers can streamline the permitting process for projects ranging from downtown office towers to suburban industrial parks.

Selecting Fire Rated Glass by ULC Classification and Glazing Performance for Calgary Climates

For Calgary's extreme temperature swings, which can range from -30°C in winter to 30°C in summer, specifying fire-rated glass with ULC listing for 45 to 120 minutes is essential. Antifires offers options such as insulated ceramic and wired glass, which are tested for thermal shock resistance to prevent breakage under rapid temperature changes. The glass structures, including multi-layer composites with intumescent gel, provide both fire protection and thermal performance suitable for curtain walls and vision panels. Key specifications include:

  • Insulation performance: Average temperature rise on the unexposed side limited to ≤140°C, with maximum rise ≤180°C.
  • Frame integration: G.M.S. hollow steel sections with 3mm–6mm ceramic wool seals to accommodate expansion.
  • Cold-weather installation: Use of intumescent fire seals (20mm × 4mm) to maintain performance despite thermal cycling.

These features ensure reliable operation in both downtown high-rises and suburban industrial parks, where maintaining fire-rated integrity under climatic stress is critical.

Fire Rated Glass Applications in Calgary’s Commercial and Mixed-Use Development Projects

From the Beltline's mixed-use towers to the University of Calgary campus expansions, Antifires' fire-rated doors and windows serve in stairwells, elevator lobbies, and fire separations. In these applications, the 26mm glazed door glass (5mm + 5.5mm gel + 5mm + 5.5mm gel + 5mm) provides up to 90 minutes of integrity and 68 minutes of insulation, meeting the demands of high-traffic egress routes. For larger vision panels in lobbies, 120-minute fire-rated glass systems offer both integrity and insulation, ensuring compliance with fire separation requirements. Recent projects include retrofitting historic buildings in Inglewood, where modern fire-rated glazing preserves heritage aesthetics while upgrading passive fire protection. These systems are also deployed in elevator lobbies to maintain compartmentation, using frames with ceramic fiber-filled expansion gaps (3mm–5mm) to accommodate building movement without compromising fire resistance.

Why Calgary Architects Choose Antifires for Certified Fire Rated Glass and Local Technical Support

Calgary architects choose Antifires for certified fire-rated glass and local technical support because of the company's commitment to ULC documentation and building code submission assistance. The team provides specification reviews that align with the Alberta Building Code, ensuring that all glazing assemblies meet the required fire-resistance ratings for egress corridors and stairwell enclosures. Direct factory partnerships enable shorter lead times for custom fire-rated door and window sizes, a critical advantage for fast-paced commercial projects. The technical team is familiar with local engineering demands, including cold-weather installation requirements such as using ceramic wool seals to manage thermal expansion. For comprehensive solutions, 60-minute fire-rated glass systems are available for mid-range applications, while 90-minute integrity-only options serve specific egress needs. This combination of certified products and localized expertise ensures that Calgary projects meet code requirements efficiently.

REQUEST A QUOTE

Fill the form below to get in touch with us.

click

Frequently Asked Questions (FAQ)

Yes, Antifires fire-rated glass assemblies meet the ULC S101 standard, which is required for Calgary building permits under the Alberta Building Code. These products are tested for fire-resistance ratings, including integrity and insulation performance, to ensure compliance with NBC 2020 requirements for egress corridors and stairwell enclosures. The certification documentation provided supports building permit submissions by demonstrating that the glazing systems can withstand fire exposure for specified durations, such as 45, 60, or 120 minutes. This compliance is critical for passing inspections and ensuring passive fire protection in commercial and mixed-use developments.

For Calgary's commercial high-rise stairwells, fire-rated glass is typically specified with 45 to 90 minutes of fire-resistance rating, depending on the building's height and occupancy classification under the Alberta Building Code. Common requirements include E60 (integrity for 60 minutes) or EI60 (integrity and insulation for 60 minutes) for stairwell enclosures, which are critical egress paths. For taller structures or those with higher hazard levels, E90 or EI90 ratings may be mandated. Antifires provides glazing systems, such as the 26mm door glass with 89–90 minutes of integrity and 68 minutes of insulation, to meet these specifications while maintaining visibility and safety.

Yes, Antifires can provide certified fire-rated glass with insulated units suitable for Calgary's winter climate and -30°C temperature conditions. These systems use multi-layer composites with intumescent gel and tempered glass that are tested for thermal shock resistance, ensuring they maintain fire-rated integrity despite rapid temperature changes. The frame assemblies incorporate ceramic wool seals and intumescent fire seals to accommodate expansion and contraction, preventing gaps that could compromise fire protection. For example, the 21mm FPOS glass offers 120 minutes of integrity and 30 minutes of insulation, making it viable for exterior vision panels in curtain walls or cold-weather installations where thermal performance is critical.