FIREGLASS – WireLite NT
WireLite® NT is a 1/4″ (6 mm) glazing material composed of wired glass and a fire-rated surface-applied film. WireLite NT is listed for use in doors, sidelites, transoms and borrowed lites.
- Fire-rated for 20, 45, 60 and 90 minutes with required hose stream test
- Impact safety-rated – ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and II)
- Wired glass with high performance surface-applied fire-rated film
- Available in Diamond Clear (3/4″ pattern) and Georgian Clear (1/2″ pattern)
- Available as an insulated glass unit (IGU)
- Withstands thermal shock
- Passes positive pressure test standards UL 10C
- 3-year limited warranty*
- 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.
Classified and labeled by Underwriters Laboratories, Inc.® and Underwriters Laboratories of Canada. Test report number for labeled fire-rated assemblies is UL File No. R13377. Tests performed in accordance with UL 9, UL 10C, ASTM E2010, NFPA 252, and NFPA 257.
| Rating | Assembly | Max. Exposed Area (in. x 2/ft x 2) | Max Width of Exposed Glazing | Max. Height of Exposed Glazing |
| 20 min. to 60 min. | Doors (non-temp rise) | 3,204/22.25 | 36 | 89 |
| Doors (temp rise) | 100/0.69 | 12 | 33 | |
| Other than doors | 3,325/23.09 | 95 | 95 | |
| 90 min. | Doors (non-temp rise) | 2,034/14.13 | 36 | 56-1/2 |
| Doors (temp rise) | 100/0.69 | 12 | 33 | |
| Other than doors | 2,627/18.24 | 56-1/2 | 56-1/2 | |
| 3 hours | Doors | 100/0.69 | 12 | 33 |
| Statistics: | |
| Thickness | Nominal 5/16" (8 mm) thick overall |
| Weight: | 4 lb/ft |
| Fire Rating | 20 min. to 3 hrs |
| Approx. Visible Transmission: | 85% |
| Impact Safety Rating: | Meets ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and II) |
| Approx. Visible Reflection: | 9% |
| Hardness (Vicker’s Scale): | 700 |
| STC Rating | 38 |