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1/4" Thick 20 Minute Fire Protective Glass

Product Features

  • 1/4" thick tempered fire-rated glass
  • Superior optical clarity – clear and wireless
  • Economical fire and safety rated glass
  • Etched with fire and impact safety classification on each piece
  • Manufactured in USA
  • Weight: 3 lbs./sq. ft.
  • STC 28 rating
  • Certified by UL to ANSI/UL10C, With Closed Cell PVC Foam Glazing Tape Like NGP L-GT-116, L-GT-118, L-GT-132, or L-GT-316
  • Impact Safety Rating Information: Meets ANSI Z97.1, Class A
  • Meets CPSC 16CFR 1201 (Category I and II)
  • Complies with IBC requirements for use in doors
  • This glass is cut to size then heat treated (tempered) to achieve its safety rating properties
  • Orders for this product are non-changeable and non-cancellable


  • POSITIVE PRESSURE - CERTIFIED by UL to ANSI/UL10C, complies with IBC, NFPA 80 and NFPA 252 for application to Hollow Metal and Wood fire doors rated 20 minutes.