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Transparent wall solution
SuperLite II-XL 45 Fire Resistive Rated Tempered Glass


  • Maximum fire and impact safety with hose stream and provides full radiant heat protection at a better value than any clear 45 minute fire protective product.
  • Largest tested and approved sizes up to 4,952 sq. in. in standard 3/4” profile.
  • Tint-free and optically clear. Perfect for property line requirements.
  • Acoustical value of 40 STC, approximately 50% better than laminated ceramic.
  • Now available as an approved glazing component in the NFRC CMAST database.
  • Available in custom architectural make-ups, such as laminated glass and energy-saving insulated units with NFRC certifications when used with GPX Architectural Series Framing.
  • 5 year warranty.
  • USA manufactured for fast delivery and competitive pricing.
  • Thin 5/8” thin profile is available up to 1,296 sq. in.
Fire Rating Application Max CV Area Max CV W Max CV H Stops
45 min. Doors, Sidelites, Windows, Transoms 4,952 in² 124" 124" 5/8"
*SuperLite II-XL is tested and approved with 5/8” stop heights. However, 1” stop heights are recommended for optical irregularities that might occur along the perimeter of the lite. Please see our Quality Specifications and Inspection Standards.


  • Thickness: 3/4” (19mm) standard and 5/8” (16mm) thin profile
  • Glazing Pocket: 1" in standard hollow metal
  • Weight: 8 lbs./sq. ft. in 3/4” (19mm) standard profile
  • Sound Transmission Rating: STC 40 rating in 3/4”(19mm) standard profile
  • Outdoor-Indoor Transmission Class: OITC 37 rating in 3/4”(19mm) standard profile
  • Fire Rating: 45 minutes with hose stream Meets ASTM E119 and NFPA 251
  • Impact Safety Rating: CPSC 16 CFR 1201 Cat. I and II
  • NFRC Certifications with GPX Framing:
    0.40 U-Factor when insulated with Solarban 60 or Versalux Blue
    0.34 SHGC when insulated with Solarban 60 or Versalux Blue
    56 Condensation Resistance when insulated with Solarban 60 or Versalux Blue

Listings and warranty

SuperLite II-XL is listed and labeled by Intertek/Warnock-Hersey Inc. and Underwriters Laboratories, nationally recognized testing laboratories approved by OSHA.

Intertek-Logo_with-c      UL-Logo

See Warranty


UL 9, UL 10B, UL 10C, UL 263, NFPA 80, NFPA 251, NFPA 252, NFPA 257, ASTM E119, ASTM E152, ASTM E163, ASTM E2074, ASTM E2010-01, CPSC 16 CFR 1201 Cat. II, ULC CAN4-S101, ULC CAN4-S104, ULC CAN4-S106, NFRC 100, NFRC 200, NFRC 500.

Do you have a current or upcoming project that needs fire rated glass and framing? Contact us today!