Contains smoke and flames.

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Product Advantages

  • Most economical fire and safety rated glazing available.
  • Provides superior optical clarity over ceramics.
  • Meets the highest human impact safety requirements.
  • Can be used for interior and exterior applications.
  • Available in specialty architectural make-ups and patterns.
  • Lifetime warranty.
  • USA manufactured for fast lead times and competitive pricing.

maximum sizes

Fire RatingApplicationMax. CV AreaMax. CV WidthMax. CV HeightStops
20 MinutesSteel Door3,341 in.²
(2.16 m²)
35-1/8 in.
(0.89 m)
95-1/8 in.
(2.42 m)
5/8 in.
(16 mm)
20 MinutesWood Door3,299 in.²
(2.13 m²)
36-1/8 in.
(0.91 m)
91-5/16 in.
(2.32 m)
5/8 in.
(16 mm)
20 MinutesAluminum Door3,436 in.²
(2.22 m²)
36-3/4 in.
(0.93 m)
95-1/2 in.
(2.43 m)
5/8 in.
(16 mm)
20 MinutesSteel, Wood and Aluminum
Sidelites*, Transoms*
5,760 in.²
(3.72 m²)
96 in.
(2.44 m)
95-1/2 in.
(2.43 m)
5/8 in.
(16 mm)
20 MinutesSteel Window/Openings*5,760 in.²
(3.72 m²)
96 in.
(2.44 m)
95-1/2 in.
(2.43 m)
5/8 in.
(16 mm)

*Requires AHJ approval for these applications because it is tested without hose stream.

Product Specifications

Thickness ¼ in. (6 mm) standard
½ in. (12 mm) custom
Weight 3 lbs. / sq. ft. (15 kg/m²)
Fire Rating 20 minutes without hose stream
Sound Transmission Rating STC 28
Solar Heat Gain Coefficient 0.82 SHGC
Impact Safety Rating CPSC 16 CFR 1201 Cat. I and II
Application Doors, Sidelites, Transoms, Windows/Openings

listings and standards

SuperLite® I is listed and labeled by Underwriters Laboratories and Intertek, nationally recognized testing laboratories approved by OSHA.


  • Intertek: 20636; 26726; 24569
  • UL: KCMZ.R14212; KCMZ7.R14212 
  • CSFM: 4075-1660:0100
  • HPD: 28446


  • UL 9, UL 10B, UL 10C
  • NFPA 80, NFPA 252, NFPA 257
  • ASTM E152, ASTM E163, ASTM E2074, ASTM E2010-01 
  • CPSC 16 CFR 1201 Cat. II 
  • ANSI Z97.1
GPX® Architectural Series Fire Protective
GPX® Vision Kit
GPX® Builders Series Fire Protective

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.

Middlebury Replaces Unsafe Wired Glass

After learning about the hazards of traditional wired glass and changes in the building code, MIddlebury College acted quickly to survey and catalogue every piece of traditional wired glass panel on campus. They created a spreadsheet noting the location and sizes of over 1500 pieces of traditional wired glass in doors and windows. Then, Middlebury set out to replace the wired glass with clear, safe, fire rated alternatives.