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Fire and Safety-Rated Clear Wireless Glazing Solution
SuperLite I 20 minute tempered fire rated glass for doors


  • 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 delivery and competitive pricing.
  • GSA Contract Holder
Fire Rating Application Max CV Area Max CV W Max CV H Stops
20 Minutes Steel Door 3,341in² 35-1/8" 95-1/8" 5/8"
20 Minutes Wood Door 3,299 in² 36-1/8" 91-5/16” 5/8"
20 Minutes Aluminum Door 3,436 in² 36-3/4” 95-1/2” 5/8"
20 Minutes Steel, Wood and Aluminum Sidelites*, and transoms* 5,760 in² 96" 95-1/2" 5/8"
20 Minutes Steel Windows* 5,760 in² 96" 95-1/2" 5/8"
*Requires AHJ approval for these applications because it is tested without hose stream.


  • Thickness: 1/4” (6mm) Also available in 1/2” (12mm)
  • Weight: 3.0 lbs./sq.ft.
  • Fire Rating: 20 minutes without hose stream
  • Sound Transmission Rating: STC 28 rating
  • Solar Heat Gain Coefficient: 0.82 SHGC
  • Impact Safety Rating: CPSC 16 CFR 1201 Cat. I and II

Listings and warranty

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

Intertek-Logo_without-c      UL-Logo

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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.

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