Fire-Rated Glass Ceramic

20-90 Minutes



FireLite is a 3/16" (5 mm) thick fire-rated glazing material. It is listed for use in non-impact safety-rated locations such as transoms and borrowed lites.

“Art is science made clear.”

-Jean Cocteau


  • ultraHD® Technology for improved surface quality, clarity and color
  • Fire-rated for up to 90 minutes with required hose stream test
  • Available in two surface grades: Premium and Standard
  • Clear and wireless glass ceramic
  • Fits in Fireframes® Designer Series frames from TGP, or standard fire-rated frames
  • Withstands thermal shock
  • Large sizes available
  • May be lightly sandblasted or etched on one side without affecting fire rating
  • May be insulated (see FireLite IGU fact sheet)
  • Note: This product is not a barrier to radiant heat. This product does not meet test standards ASTM E-119 or UL 263. If your jurisdiction requires a "barrier to heat" product, please see Pilkington Pyrostop.
  • Note: FireLite is not an impact safety-rated product and should not be specified as such. However, TGP does offer FireLite Plus® and FireLite® NT which carry both fire and impact safety ratings. Please contact TGP for more details.



Thickness: 3/16" (5 mm) overall Hardness (Vicker's Scale): 700
Weight: 2.56 lb/ft2 (12.5 kg/m2) Fire Rating: 20 minutes to 90 minutes
Approx. Visible Transmission: 88% Impact Safety Rating: None
Approx. Visible Reflection: 9% STC Rating: 35

Figures are for Premium Grade FireLite. Figures will differ slightly for Standard Grade and Obscure (patterned) surface finishes.


Classified and labeled by Underwriters Laboratories, Inc.® and Underwriters Laboratories of Canada. File number for labeled fire-rated assemblies is UL File No. R13377. Tests performed in accordance with:

UL 9 UL 10B UL 10C
NFPA 80 NFPA 257
MEA 290-90-M-6 LARR 25798

Rating Max. Exposed
Area (in2/ft2)
Max. Width of
Exposed Glazing (in.)
Max. Height of
Exposed Glazing (in.)
20 - 60 Minutes (other than doors) 3,325/23.09 95 95
90 Minutes (other than doors) 2,627/18.24 56-1/2 56-1/2
Check with frame manufacturer for maximum tested glass sizes and required stop height.
Note: Individual lite sizes cannot exceed "Max. Exposed Area" shown above.
Please note: FireLite is not an impact safety-rated product and should not be specified as such. However, TGP does offer FireLite Plus and FireLite NT which carry both fire and impact safety ratings. Please ask for more details.
This information is intended for general reference only. For current listing details, please call Technical Glass Products.


FireLite is made from transparent glass-ceramic which appears to have a warmer earth tone when compared to the blue green tint of typical float glass. Like float glass, FireLite ceramic will not demonstrate a highly perceptible color once installed in a frame. FireLite also features ultraHD® Technology, for improved color, clarity and surface quality. See the ultraHD® difference.

View the available surface grades below or see our Premium FireLite FAQ for more information. These surface options are best reviewed prior to specification. Please contact TGP to request a sample kit.

FireLite Premium Grade

Both surfaces are ground and polished to provide superior surface quality, improving the overall clarity. FireLite Premium is the industry leader for quality and is unmatched by alternative products or production methods.

FireLite Standard Grade

The polished surface quality is comparable to alternative fire-rated ceramics that are marketed as having a premium finish.

FireLite Obscure Grade

Features a patterned surface to allow more privacy.


Fireframes® Designer Series

20/45/60/90 Minute
Fire-Rated Doors and Frames

The Designer Series doors and frames incorporate precise European engineering, providing a sleek, modern alternative to traditional hollow metal frames.

Traditional Hollow Metal Steel Frames

Fire-Rated Doors and Frames

TGP glazing can be used in any approved fire-rated door and frame assemblies.

Hollow metal steel frames are supplied by others.

The time, in minutes or hours, that materials or assemblies can be expected to prevent flames and smoke from spreading.

As heat develops within the source area, pressure within the enclosed room begins to build relative to the pressure outside. Once the fire reaches equilibrium in the positive pressure zone, smoke, hot gases and flames are forced through any openings in the door or window assembly. Testing to the UL 10C standard more closely simulates real fire conditions.

Blocks radiant and conductive heat transfer from one side of the glass to the other. A required characteristic of glass used as a wall.

Classified and labeled by Underwriters Laboratories, Inc.® (UL), an independent product safety certification organization.

Immediately following a furnace test, heated glass is subjected to water from a fire hose. The cooling, impact and erosion created by the hose stream tests the integrity of the glass. In the U.S., the hose stream test is required for all fire ratings over 45 minutes (all fire ratings require it in Canada).

Available as a temperature rise door with Pilkington Pyrostop® fire-resistive-rated glass for 60-90 minute applications

Temperature rise doors provide a barrier to radiant and conductive heat transfer.

Available in stainless steel frame finish options for increased design flexibility.

Building codes clearly define hazardous locations where impact safety glass is required. Glass with this designation has been tested to meet impact safety requirements required for areas such as doors, sidelights, and areas close to the floor.

FireLite IGU is a fire-rated insulated glass ceramic unit that also complies with energy codes. It is designed for use in exterior applications where energy codes require an insulated product, or for interior applications with special needs such as sound reduction.

Withstands continuous temperatures to 1292° F for use in high efficiency heating appliances.

The ability of glass ceramic to withstand sudden heating, cooling, or both without cracking, shattering or exploding out of the frame.

The ability of the glass to stop various types of ammunition. Ratings are assigned in levels from 1 to 8, with a Level 8 rating being the highest (able to stop a 7.62mm rifle lead core full metal copper jacket, military ball).

The capacity of an element in a building structure to support a weight in addition to its own.

Listed and labeled by Intertek, an independent assurance, testing, inspection and certification organization.

Glazing designed to increase the amount of time required to gain entry. This additional time is intended to allow for the enactment of lock-down protocols and to allow for the arrival of emergency response teams. May be used in areas with high risk of prolonged attack or in critical areas such as vestibules. Forced entry resistant glazing should also resist penetration from hand-held or hand-thrown objects such as hammers, crowbars, bats, knives, bricks and rocks. (Source: NGA Glass Technical Paper FB71-21)

This product is both fire- and security-rated and is appropriate for educational facilities.

This product is smoke-rated and tested to UL 1784.

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