Request Quote
Transparent wall solution
SuperLite II-XL 45 in GPX Builders Series Framing


  • Maximum fire and impact safety with hose stream and provides full radiant heat protection for all W-30 applications in the IBC.
  • Largest tested and approved sizes up to 4,952 sq. in. in standard 1” profile.
  • Tint-free and optically clear. Perfect for property line requirements.
  • Available with Starphire Ultra-Clear® glass by Vitro.
  • 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.
  • Standard 5 year limited warranty.
  • USA manufactured for fast delivery and competitive pricing.
  • GSA Contract Holder
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. See Quality and Construction Information for SAFTI FIRST Fire Resistive Glass.


  • Thickness: 1” (26mm) standard
  • Glazing Pocket: 1" in standard hollow metal
  • Weight: 12 lbs./sq. ft. in 1” (26mm) standard profile
  • Fire Rating: 45 minutes with hose stream. Meets ASTM E119 and NFPA 251
  • Visible Transmittance: 0.789 with clear standard; 0.883 with clear low-iron
  • Impact Safety Rating: CPSC 16 CFR 1201 Cat. I and II
  • Hard Body Impact Classification: ASTM C1629/C1629M Level 3
  • Soft Body Impact Classification: ASTM E695 Level 3
  • Surface Abrasion Resistance: ASTM D4977 Level 3

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, ASTM C1629/C1629M, ASTM E695, ASTM D4977.

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