In building construction, an effective fire protection strategy encompasses three key elements: detection, suppression, and compartmentation. Detection tools like smoke and fire alarms play a critical role in providing early alerts, which are vital for warning individuals of potential dangers. Suppression includes methods and systems that extinguish or control fires rapidly, preventing their spread and minimizing damage. These methods may include water-based systems like sprinklers, chemical agents, or inert gasses that displace oxygen to smother fires.
Of these three elements, the significance of compartmentation is frequently underestimated. Compartmentation involves passive forms of fire safeguarding. Building materials themselves play a pivotal role in confining fires to specific areas, preventing an uncontrolled spread within structures. Fire rated walls, ceiling tiles, sealants, and even windows can act as fire barriers, limiting the fire's progression and safeguarding against extensive damage.
A fire rated wall, or fire wall is a specially designed barrier built to prevent the spread of fire between separate sections of a building, thus helping to ensure a safe passage of escape for occupants. Typically made of fire-resistant materials such as concrete, brick, or gypsum board, fire walls are strategically placed to compartmentalize a structure, limiting the damage caused by fires and providing occupants with more time to evacuate without the threat of flames and smoke.
These barriers are specified and constructed according to strict building codes and regulations to ensure their effectiveness in containing fires. Fire rated walls extend from the foundation to the roof and are equipped with fire-rated doors, windows, and other penetrations to maintain their integrity. They are often used in multi-unit residential buildings, commercial complexes, and industrial facilities to protect occupants and property from the devastating effects of fires. Fire walls play a crucial role in enhancing the overall safety and resilience of buildings, minimizing the risk of fire-related disasters and offering peace of mind to occupants.
Fire protection is paramount in any building. Fire rated glass block can be part of this plan. GBA Architectural Products + Services’ fire rated glass block products allow light penetration and a visibility while safeguarding lives and assets through fire-resistant materials and construction. By integrating these glass blocks into a window system, GBA creates window assemblies that remain fire-resistant for up to two hours.
Our 45, 60, 90, and now 120 Minute Fire Rated Glass Blocks are certified and tested by Underwriters Laboratory (UL®) Standards and/or NFPA 257.
Fire-rated windows can withstand heat levels from fires and prevent the spread of flames for a specified duration, meeting essential fire safety codes. GBA's glass block technology allows us to offer a range of fire-rated products approved and rated according to UL standards. UL, a global leader in safety science, conducts rigorous tests, exposing glass blocks to propane gas-fired furnaces for various durations to determine their fire rating. Meeting UL standards ensures our products meet strict requirements based on scientific research, demonstrating their strength, durability, and energy efficiency.
4" Premiere™ Series glass block offers a 45-minute fire rating and several design options. All Premiere™ Series and Thinline® Series, with the exception of 12” x 12” sizes, finishing block, corner block, Alpha pattern and Opal glass block, patterns are classified by UL for 45-minute rated window assemblies. Size options include 8" x 8", 6" x 8", 6" x 6" and 4" x 8". S.T.C. levels range from 35 – 41 depending on the block best suited to meet the design goal.
Patterns for Premiere™ Series include:
Thickset® 60 and Thickset® 90 offer three patterns with thicker faces for added security and respective 60-minute or 90-minute fire ratings. VISTABRIK® is a 3" solid glass block classified by UL® for 45-, 60-, and 90-minute fire ratings up to 100 square feet.
Our 2 hour fire rated glass blocks have a thickness of 13 cm (5.1 in).
Our two-hour, fire-rated glass block is a European and American-tested product that comes in a 7½" size. This 120-minute, fire-rated glass block is suitable for vertical wall panels and meets the ASTM E119 Wall Rating of 120 minutes. To increase privacy, a Sahara Finish can be added to one or both sides of the glass, and the wave pattern itself distorts figures on the other side.
Our construction process goes beyond assembly - it's about engineering a life-saving barrier with precision. Each 2-hour fire-rated wall is built using a meticulously designed, certified system where every component, from the specialized glass blocks to the reinforcing steel and unique mortar, is carefully integrated.
We don't just build walls; we construct a complete, tested solution that you can trust to protect occupants and assets in the event of a fire.
Architects value glass block for its blend of security and aesthetics. Despite its fire resistance, glass block from GBA maintains excellent light transmission and can be customized to be as translucent or transparent as desired. These products are ideal for zero lot lines or areas requiring fire-resistant window assemblies, where it not only enhances safety but also reduces noise levels. Glass block can be further customized with patterns or sandblasting for added privacy without sacrificing natural light transmission.
"Work was done very professionally with outstanding quality. Your crews were very attentive to detail & made sure to protect surrounding work surfaces from damage. They communicated well with my field team to ensure we & the Owner were satisfied with the end product. Job well done." - Russell Stafford, RNGD A Palmisano Company
"We were lucky to have GBA on our project at Lutheran East High School. From the front office to the field supervision and crew were very knowledgeable with our project. Took extra care not to damage the building during demolition. The quality of materials and their labor force was top-notch." — Peter Powell, Carey Construction Group
"We are extremely pleased with the outcome of the glass block at Lutheran East High School and have received many compliments on the design. The glass block windows give the building a nice “pop” of color on the exterior each side of the gym and helped to maintain the identity of the school." - Rick Jozity, Meraki Architects, L.L.C
"I saw the final glass block wall in person and it really is a work of art. We are so grateful for your team’s hard work on this." – Crister Cantrell, Gensler
"As the Senior Project Manager for the general contracting company responsible for completing all aspects of the historical restoration, structural rehabilitation, and adaptive reuse modifications to the derelict Triboro tuberculosis hospital, one of the most difficult challenges was finding capable and qualified subcontractors for the key restoration trades that are both committed to quality construction and respectful of the historical restoration process. I am lucky enough to have worked with GBA on previous successful projects and was glad to bring them into this project. GBA provided the essential expertise and quality craftsmanship that this project needed and was a reliable partner helping us convert the Triboro Tuberculosis Hospital into the T Building Residence." – Senior Project Manager, Bill Harwood for the GC, Mega Contracting
"On behalf of me, my project manager and CGC; I would like to reach out to applaud the quality and workmanship of the crew sent out to do the glass block wall outside of the theater here in Hudson. Dan and Nate went above and beyond to keep their work area organized and clean, even protected our finish trim and VWC in the mixing area with plastic. If only more companies active on site would follow in your companies steps these buildings would be cut and dry and run very efficiently. Thank you! - Jake M. Behler, Cameron General Contractors
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