Oregon Fire Code and Portland’s High-Rise Structural Fire Resistance Mandates
Portland’s adoption of the 2024 Oregon Fire Code imposes specific fire-resistance requirements for high-rise structures, particularly those exceeding 75 feet in height. For exit corridors and stairwells, glazing assemblies must undergo rigorous testing under UL 10C (Positive Pressure Fire Tests of Door Assemblies) and NFPA 257 (Standard for Fire Test for Window and Glass Block Assemblies). These standards evaluate the ability of fire-rated glass to withstand internal fire exposure durations without compromising structural integrity. Antifires addresses these mandates by offering systems that achieve certified integrity (E) ratings of 60, 90, and 120 minutes, as verified through ASTM E119 testing protocols. The use of multi-layer composite glass, incorporating intumescent gel layers, ensures that the assembly remains stable under the positive pressure conditions typical of modern high-rise fires. For Portland’s commercial projects, this means that glazing in exit enclosures can maintain its barrier function, preventing flame and hot gas penetration for the required duration. Additionally, the integration of steel frames and ceramic wool seals, as specified in the test data, ensures that the entire system—not just the glass—meets the fire-resistance criteria demanded by local code officials.
Fire Rated Glass Grade Selection for Portland’s Seismic and Thermal Performance Demands
Portland’s unique seismic and thermal demands, particularly in districts like the Pearl District where adaptive reuse of historic structures is common, require fire-rated glass that balances performance with aesthetic preservation. Under Portland City Code Title 24, fire walls separating mixed-use zones must often achieve a 90-minute fire-resistance rating. Antifires’ fire partition solutions are designed to comply with ASTM E119, providing certified integrity without the need for bulky, non-historic framing systems. The glass composition—such as the 21mm FPOS multi-layer composite structure—offers a tested integrity of 120 minutes, allowing for large glazed panels that maintain the visual transparency critical to heritage facades. For seismic performance, the use of 3mm to 6mm ceramic wool and intumescent seals within the frame accommodates the 38mm to 152mm deflection observed during fire tests, ensuring the assembly remains intact during both a seismic event and subsequent fire exposure. This dual compliance is essential for Portland projects where thermal expansion from fire and lateral movement from earthquakes must be addressed simultaneously. The result is a glazing system that meets code requirements while preserving the architectural character of the city’s iconic neighborhoods.
High-Rise Office and Healthcare Facility Fire Protection Demands in Portland
Portland’s high-rise office towers and healthcare facilities demand fire protection systems that exceed minimum code requirements, given the density of occupants and the critical nature of egress routes. For these applications, Antifires supplies certified fire door systems and glazed partitions that achieve both integrity (E) and insulation (I) ratings. In a healthcare setting, where patient mobility may be limited, the insulation performance is critical to preventing radiant heat transfer that could ignite adjacent materials or cause injury. Test data from BS EN 1634-1 and ASTM E119 confirm that Antifires’ 28mm EI60 panels provide 66 minutes of integrity and 64 minutes of insulation, ensuring that unexposed side temperatures remain below the 140°C average rise limit. For high-rise office towers, the use of 50mm and 54mm ultra-high-performance glass delivers up to 120 minutes of both integrity and insulation, creating safe refuge areas within the building. These assemblies are installed using G.M.S. hollow steel frames with M6/M8 anchor bolts spaced at 300-600mm intervals, ensuring structural stability under the extreme thermal loads of a fully developed fire. By integrating these systems into the building’s passive fire protection strategy, Portland’s commercial projects can achieve the highest levels of life safety and property protection.
Antifires Local Inventory and Oregon Code Certification as a Trusted B2B Partner
As a B2B partner for Portland’s construction industry, Antifires maintains a local inventory of certified fire-rated glass systems that are pre-approved under the 2024 Oregon Fire Code. This ensures that architects, contractors, and specifiers can access products that meet NFPA 80 and ASTM E119 without extended lead times. Each system is supplied with comprehensive compliance documentation, including test reports from accredited laboratories that verify the fire-resistance ratings for integrity and insulation. For Portland’s mixed-use and high-rise projects, this documentation streamlines the approval process with local building officials, reducing the risk of costly delays. Antifires also provides technical support for system integration, including guidance on frame selection, expansion gap sizing (3mm to 5mm filled with ceramic fiber), and intumescent seal placement. This localized expertise, combined with a product range that spans from 6mm E90 glass to 54mm EI120 panels, positions Antifires as a trusted resource for meeting Oregon’s stringent fire safety standards. By partnering with a supplier that understands the interplay between seismic design, thermal performance, and fire resistance, Portland’s commercial projects can achieve code compliance while maintaining design flexibility.