GPX® Architectural Series Fire Resistive

60-120 Minute Fire Resistive Walls and
60-90 Minute Fire Resistive Doors



Contains smoke, flames and blocks the passage of radiant heat.

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5 Year Warranty
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Ballistic Rated Icon
Blast Rated

Product Advantages

  • GPX® Architectural Series Fire Resistive provides wall-to-wall and floor-to-ceiling transparency.
  • It provides the clean appearance of conventional aluminum framing with uniform sightlines.
  • It is available in standard and custom finishes including high performance paint by PPG, clear anodized, bronze anodized, black anodized, Decoral®, wood veneer, ornamental metal and more.
  • Can be customized to protect against bullets and blast.
  • Doors are eligible to meet UL 1784 for smoke and draft control assemblies when used with a Category H gasket.  Click here to learn more.
  • Standard 5 year limited warranty.
  • USA manufactured for fast lead times and competitive pricing.

maximum sizes

Fire RatingGlazingApplicationMax. CV AreaMax. CV WidthMax. CV Height
60 MinutesSuperLite® II-XL 60Walls4,952 in.²
124 in.
(3.15 m)
124 in.
(3.15 m)
60 MinutesSuperLite® II-XLB 60Walls10,000 in.²
(6.45 m²)
125 in.
(3.18 m)
125 in.
(3.18 m)
60 MinutesSuperLite® II-XLM 60Walls3,855 in.²
(2.49 m²)
87-5/8 in.
(2.23 m)
87-5/8 in.
(2.23 m)
120 MinutesSuperLite® II-XL 120Walls4,876 in.²
(3.15 m²)
124 in.
(3.15 m)
124 in.
(3.15 m)
120 MinutesSuperLite® II-XLB 120Walls7,980 in.²
(5.15 m²)
133 in.
(3.38 m)
133 in.
120 MinutesSuperLite® II-XLM 120Walls4,256 in.²
(2.75 m²)
38 in.
(0.97 m)
112 in.
(2.84 m)
Fire RatingGlazingApplicationMax. Door Opening
(Single Door)
Max. Door Opening
(Pair Door)
60 MinutesSuperLite® II-XL 60Doors48 in. x 108 in.
(1.22 m x 2.74 m)
96 in. x 108 in.
(2.44 m x 2.74 m)
90 MinutesSuperLite® II-XL 90 Doors48 in. x 108 in.
(1.22 m x 2.74 m)
96 in. x 108 in.
(2.44 m x 2.74 m)

Product Specifications

Frame Weight 12 lbs. / lineal foot
Fire Rating 60-120 minute fire resistive walls with hose stream
60-90 minute fire resistive doors with hose stream*
*Meets 250° F temperature rise criteria for full duration
Frame Profile 2-1/2 in. (64 mm) equal sightlines
Finish High performance paint by PPG, clear anodized, bronze anodized, black anodized, Decoral®, wood veneer, ornamental metal and more
Application Walls, Doors
Door Profile 5 in. (127 mm) stile and top rail
Bottom Rail 10 in. (254 mm) ADA compliant*
Bottom rail can be modified with AHJ approval

listings and standards

GPX® Architectural Series Fire Resistive is listed and labeled by Underwriters Laboratories and Intertek, nationally recognized testing laboratories approved by OSHA.


  • Intertek: 29689; 29495; 37094; 58084; 40626; 41816
  • UL: U518; U560; GSXZ.R10665; GSXZ7.R10665
  • CSFM: 1880-1660:0106; 1880-1660:0105; 1880-1660:0104
  • LARR: 25786
  • HPD: 28599
  • Declare: SFT-0001


  • UL 9, UL 10B, UL 10C, UL 263, UL 752-2005
  • ASTM E119, ASTM E152, ASTM E163, ASTM E2074, ASTM E2010-01
  • NFRC 100, NFRC 200, NFRC 500
  • NFPA 80, NFPA 251, NFPA 252, NFPA 257
  • CAN/ULC S101, CAN/ULC S104, CAN/ULC S106
  • CPSC 16 CFR 1201 Cat. II
  • ANSI Z97.1
SuperLite® II-XLM 120
SuperLite® II-XLM 60
SuperLite® II-XLB 120
SuperLite® II-XLB 60
SuperLite® II-XL 120
SuperLite® II-XL 90
SuperLite® II-XL 60

Related Case Studies

Learn more about fire rated glass and framing through our case studies. We highlight innovative design applications in real-world settings and show how architects continue to push the boundaries of what fire rated glass and framing can do.

Fire Rated Glazing Helps Historic University Preserve its Past

The new Robert B. Aikens Commons at the University of Michigan Law School was built on an unused grassy courtyard between Hutchins Hall and the legal research building. The proximity of the new common area to historic Hutchins Hall posed a unique challenge. The building code required a 2 hour fire rated barrier between them. The architects specified SuperLite II-XL 120, a clear, fire resistive glazing product that meets the ASTM E-119 wall standard for up to 2 hours.

Technical College Renovation Features Fire Rated Glass Walls

Central to the building's design are several simulation labs, practice labs, and mock operating rooms where students can observe instructors and each other as they perform their tasks. Because these labs are in areas where a 1-hour fire rating has to be maintained, the architects chose to combine vision, transparency, and fire safety with SuperLite II-XL 60 in GPX Framing.

Medical Center Maximizes Natural Daylight with Fire Rated Glass

Central to the new UC Davis Medical Center Surgery and Emergency Services Pavilion's design was a large skylight that allows natural light to vertically flow into the atrium area and other light wells throughout the building. However, they also wanted to let light flow horizontally into the adjacent hallways, rooms, etc. Because the walls in the atrium and light wells have to meet a 2-hour rating, Stantec Architects approached SAFTI FIRST® for a solution. Large portions of the 2 hour atrium and light well walls were made “transparent” with the use of SuperLite II-XL 120 in GPX Framing.

Fire Resistive Curtain Wall at Aspen Art Museum

Designed by Pritzker prize winning architect Shigeru Ban, the brand new 33,000 sf Aspen Art Museum boasts large exterior glass walls designed to keep the visitors engaged with views of the beautiful Aspen landscape. SAFTI FIRST®’s engineering team provided design assistance and supplied a 2 hour fire resistive curtain wall with SuperLite II-XL 120 with Starphire Ultra-Clear Glass insulated with Viracon VE13-85 in GPX Curtain Wall Framing. A woven screen encloses the glass curtain wall to provide shading from direct sunlight.

Fire Rated Glass Helps SFPUC Building Achieve LEED Platinum

The new San Francisco Public Utilities Commission Headquarters combines maximum daylighting and fire safety with a multi-story, fire rated glass stairwell from SAFTI FIRST®. Dubbed as the "greenest building in North America," this Class A LEED Platinum office building features a transparent, 2-hour fire rated stairwell, situated prominently near the main entrance. SAFTI FIRST® supplied SuperLite II-XL 120 in GPX Architectural Series Wall Framing and SuperLite II-XL 90 in GPX Builders Series Temperature Rise Door starting from the lobby all the way to the topmost floor.

Fire Rated Curtain Wall Performance in Dramatic Weather Conditions

As far as extreme environments go, Wisconsin has some of the most dramatic in North America. During the winter months, temperatures regularly dip well below freezing, and in the summer months the temperatures can reach up to 90 degrees Fahrenheit with significant humidity levels for extended periods of time. Given these dramatic weather conditions, the materials chosen for the building envelope should not only protect building occupants from the elements, but ensure their comfort as well.

Porsche Design Tower Sets a New Standard of Cool with the Help of Fire Rated Glass

Perhaps no other residential high-rise has created more buzz than the highly-anticipated Porsche Design Tower in Sunny Isles, Florida. A collaboration between Dezer Development and the Porsche Design Group, the 60-story, 132-residence luxury tower designed by Sieger Suarez Architects promises to deliver a new standard of cool.

Fire Rated Glass Brings Whimsical and Reliable Protection at Children’s Hospital

One of the highlights of the SUNY University Hospital’s vertical expansion is the addition of the Golisano Children’s Hospital on the top two floors of the six-story addition. Since the project added new floors, stairwell enclosures were also added. Traditionally, stairwells are relegated to the back of the building, and are usually closed-off, dimly lit and seldom used. Today, stairwells are becoming a prominent design feature and their use is encouraged more and more for the health benefits that stair climbing provides.

Fire Resistive Curtain Wall Helps Hospital Meet Fire and Seismic Requirements

Ratcliff was chosen as the architect to design the new three-story, 60,000 square foot San Jose Downtown Health Center that includes urgent care for adults and children, primary care for pediatric, OB/GYN and family medicine, behavioral health services, laboratory, pharmacy and radiology departments. Their design takes advantage of glazing’s ability to draw natural light from the outdoors to create a warm, pleasing atmosphere that promotes healing. Part of the hospital’s exterior curtain wall had to be fire rated for one hour and meet seismic requirements per SB 1953 as well.

Fire Resistive Transparent Walls Transform Stairwells and Exits to Inviting, Light-filled Spaces

To preserve the building’s open design and to extend natural light further in the building, the architects incorporated fire resistive glazing in the areas that required a 2-hour fire rating, particularly in the stairwells and exit passageways at the new Kent State University College of Architecture and Environmental Design.

Clear, Fire Resistive Butt-Glazed Walls Create Transparent, Connected and Code-compliant Stairwell

The University of Wisconsin School of Business Grainger Hall’s east and west wings are now linked by a state-of-the-art Learning Commons that encourages collaboration through technology and design. To achieve maximum transparency while meeting code requirements, the architects specified 9 ft. tall, clear, fire resistive butt-glazed walls using SuperLite II-XLM in GPX Architectural Series perimeter framing.

Fire Rated Glazing Gets Visitors ‘In the Spirit’ of Historic Bourbon Distillery

As America celebrated National Bourbon Day on June 14, downtown Louisville also celebrated the highly anticipated grand opening of the Old Forester Distillery. This event is also touted as a triumphant return of America’s first bottled bourbon in continuous production by the same family before, during, and after Prohibition to Whiskey Row. See how SAFTI FIRST® fire rated glass walls helped create an immersive visitor center with a fully operational distillery, cooperage and bottling line.

A Clear Solution for Harvard’s Klarman Hall

This new 120,000 square foot, state-of-the-art convening center features a 1,000-seat auditorium that is large enough to host the entire MBA class. The glass atrium floods the multi-purpose lobby with natural light, as well as provides a visual connection between the interior of the building and the outdoor environment. To maximize transparency, SAFTI FIRST met with the architects during the design phase to create a large, 2-hour, glass wall that separates the lobby from the auditorium while providing a visual connection between them. Since this 2-hour glass wall also serves as the entrance to the auditorium, deciding on a 90-minute door system was of upmost important. SAFTI FIRST’s in-house engineering department provided design assistance, system details, engineering calculations and support from the planning phase all the way to the submittal process.

Fire Rated Glazing Helps Achieve Unobstructed, Floor-to-Ceiling Views in 2-Hour Atrium Wall

There is a growing trend in office space design that favors increased opportunities for connectivity and collaboration among its occupants. In buildings with multiple floors, this can be a challenge as the vertical separation between floors makes face-to-face encounters less likely to happen. One way to get around this is by incorporating an atrium. See how fire rated glass helped the designers meet the fire rated requirements for this atrium while providing clear, unobstructed views.

Enhancing the #TargetRun with Oversized Fire Resistive Butt-Glazed Glass Walls

Who hasn’t uttered the words or at least heard of a “Target run”? What started out as a marketing campaign to get more foot traffic in their brick and mortar stores has become somewhat of a cultural phenomenon. Aside from being a call-to-action, #TargetRun is a trending hashtag used by shoppers to share their in-store shopping experience on social media.

Fire Rated Glass Transforms Retail Parking Garage with Natural Light and Vision

Traditional parking garage designs used to have opaque fire rated building materials like concrete, masonry and drywall which made these spaces dark, cold and uninviting. That all changed, thanks to the emergence of new technology, clear, fire resistive glazing tested to ULC/CAN S101 up to 2 hours that are available in large sizes and low-iron glass make-ups with high visible light transmission for superior clarity and color neutrality.

Chicago Starbucks Reserve Turns Stair-Climbing Into Unforgettable Experience Using Fire Rated Glass

The Starbucks Reserve Roastery in Chicago features an incredible, 4-story mural by local artist Eulojio Ortega. The mural, brilliant for conveying the story as visitors go from floor to floor, is interestingly located in an exit stairwell.  Traditionally, stairwells are enclosed in opaque walls, leaving them dark, isolated, and rarely utilized unless in an emergency.  To allow the mural to be visible through multiple floors, encourage stair usage and meet fire rated code requirements, the architects redesigned the 2- hour stairwell using transparent, floor-to-ceiling butt-glazed glass walls with the largest tested and listed fire resistive glass panels available.

The Miracle of 520 West 20th Street

The architects at Morris Adjmi wanted large, 11-ft. tall glass walls to highlight the breathtaking views for the reimagined Warehouse in New York City’s growing architectural wonderland of Chelsea. However, the building was on a lot line, mandating 2 hour fire walls. SAFTI FIRST® made this dream a reality by supplying the largest tested and listed 2 hour fire resistive glazing available today. The inclusion of low-iron glass in the fire-resistive glazing units ensured superior clarity and aesthetic continuity with the adjacent non-rated windows. The fire resistive units incorporated high performance glazing and were filled with argon for energy efficiency and occupant comfort.

Light-Filled Transit Center Receives Honor with the Help of Fire Resistive Butt-Glazed Glass Walls

Bringing the outside in was an important design element for the newly opened BART Milpitas Transit Center. ASTM E-119/UL 263/CAN ULC S101 rated, fire resistive SuperLite II-XLB 60 butt-glazed walls were used for the 1 hour light wells to allow abundant natural light to flow vertically and horizontally through two levels – from the entrance/ticketing level and all the way down to the tracks where the train cars are.

USA-made Fire Rated Glass Helps UC Merced Achieve Triple Zero Sustainability

The Merced 2020 Project, an ambitious, $1.2B, extensive expansion of the UC Merced campus, is “the largest public-private partnership social infrastructure project completed in U.S. history,” according to the university’s website. This includes new facilities used for academic, administration, laboratories, housing and recreation. This was truly exciting, and it struck a chord with SAFTI FIRST® because Merced is home to our manufacturing facilities.

A Nine-Story Lesson in Branding Excellence

SuperLite II-XLM 120 clear butt-glazed walls with 9 ft. GPX Builders Series 90 minute Temperature Rise doors creates a light-filled, transparent 2-hour stairwell that is on-brand with Waste Management’s new Houston Headquarters.

A Clear Solution for One Vanderbilt

Sophisticated. Elegant. Iconic. These are some of the words being used to describe One Vanderbilt Avenue, the 77-story skyscraper that has redefined the Manhattan skyline. At 1,401 feet tall, it is the tallest office tower in Midtown, with a prime location just steps from another world-famous architectural icon, Grand Central Terminal. SAFTI FIRST® provided clear, USA-made, fire resistive, low-iron glass and framing systems to this monumental project.