Authorized and listed by Underwriters Laboratories Inc and Underwriters Laboratories of Canada. The online certification directory test report number for Fire Door and Window Framesis GVTV.R12349  and for Fire-protection-rated Glazing Materials the number is KCMZ.R21426 for Special-purpose Fire Doors the listing is GSXZ.R26591 New York City Material and Equipment Acceptance (MEA)  151-91-M  Permitted to be installed in New York City.

Fire-protection-rated glazing materials
Product designation: FireLite, FireLite NT, FireLite Plus
Thickness: 3/16 in. / 5/16 in.
Glazing compound: Pure silicone caulk, closed cell PVC tape or DAP 33
Furnace pressure: Positive