Product Overview
NGP L-GLF100-TB Thru-Bolted Vision Lite Frame for 1-3/4" Thick Doors and 3/16" to 5/16" Glass
- For 1-3/4" Thick Doors and 3/16", 1/4", or 5/16" Glass
- 18 Ga. Cold Rolled Steel
- Mitered and Welded Corners
- Welded Reinforcing Clips at Corners
- Countersunk Mounting Screw-Holes
- Thru-Bolts for 1-3/4" Door
- Door Prep Requires Square Cut Corners
- Gray Primer (GPZ) Powder Coat Finish
- Designed for Use on 1-3/4" Thick Doors Manufactured Within Door Industry Tolerance of +/- 1/16"
- Order size equal to cutout size - Glass size is 1" under, Visible glass is 2" under
- Glass / Glazing Tape Not Included - 1" thick insulated glazing to be ordered separately from our glazing section. Use fire-rated glazing with Warnock Hersey (WHI) or UL classification markings for fire-rated applications.
- Fire-rated up to 3 hours

Brand |
NGP (National Guard) |
---|---|
Finishes |
GPZ - Gray Primer |
Order Size |
12" x 12", 18" x 18", 18" x 24", 18" x 30", 18" x 32", 18" x 60", 24" x 24", 24" x 30", 24" x 32", 24" x 36", 24" x 56", 24" x 60", 24" x 64", 5" x 35", 6" x 27", 7" x 22", 8" x 18", 8" x 32", 8" x 36" |
Frame Profile |
Standard |
Frame Construction |
18 Gauge Cold Rolled Steel |
Frame Fasteners |
Thru-Bolts for 1-3/4" Door |
Frame Fire-Rating |
3 Hour - Tested and Listed for UL 10C and Criteria of UBC 7-2 Positive Pressure - WHI Listed |
Glass Thickness |
3/16", 1/4" or 5/16" |
Door Thickness |
1-3/4" |
Buy American Act Compliance |
Meets Buy Amercian Act - Made in USA |

NGP (National Guard) L-GLF100-TB Thru-Bolted Vision Lite Frame for 3/16", 1/4", or 5/16" Thick Glass, 1-3/4" Thick Door