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Product Advantages

  • Most economical fire and safety rated glazing meeting all the standards for 90 minute temperature rise doors.
  • Non-wired clear glazing providing the highest visual clarity.
  • Impact safety rated to meet federal and code standards.
  • Vision lite kits are available in the following sizes: 5 in. x 35 in. ; 6 in. x 27 in. ; 7 in. x 22 in. ; 12 in. x 12 in.
  • Lifetime warranty.
  • USA manufactured for fast lead times and competitive pricing.

maximum sizes

Fire RatingApplicationMax. CV AreaMax. CV WidthMax. CV HeightStops
45-90 MinutesDoors100 in.²
(0.06 m²)
10 in.
(0.25 m)
33 in.
(0.84 m)
5/8 in.
(16 mm)

Product Specifications

Thickness 3/4 in. (19 mm)
Weight 9 lbs. / sq. ft. (44 kg/m²)
Fire Rating 45/60/90 minutes with hose stream
Sound Transmission Rating STC 37
Solar Heat Gain Coefficient 0.67 SHGC
Impact Safety Rating CPSC 16 CFR 1201 Cat. I and II
Visible Light Transmittance 83%
Application Doors
Outdoor-Indoor Transmission Class OITC 35

listings and standards

SuperLite® X-45/60/90 is listed and labeled by Intertek, a nationally recognized testing laboratories approved by OSHA.


  • Intertek: 20687
  • UL: KCMZ.R14212; KCMZ7.R14212 


  • UL 10B, UL 10C 
  • NFPA 80, NFPA 252
  • ULC CAN4-S104
  • CPSC 16 CFR 1201 Cat. I & II
GPX® Vision Kit

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.

Cincinnati Art Museum Renovation Features Transparent Stairwell

When the Cincinnati Art Museum embarked on an $11 million renovation, the architects wanted the entrance and main stair to be as inviting as possible. Transparent, fire rated glazing from SAFTI FIRST® was a key component of the design solution. To maximize the vision area in door itself, SuperLite II-XL 60 in GPX Builders Series Temperature Rise full-lite doors. In some of the stairwell doors in less prominent locations, SAFTI FIRST® provided SuperLite X-90 for the vision panels under 100 sq. inches.