Rockwood LT-B1 Vision Lite Kit Pack with 1/4″ Protect3, 45 to 90 Minute Fire-Rated Safety Wire Glass

Usually Ships: 3-5 Business Days
  • Complete Lite Kit = Frame, Glass & Glazing Tape
  • Includes fire and impact-rated wire safety glass
  • For 1-3/4″ thick steel or wood doors

Available Options:


Complete Lite Kit Pack – LT-B1 Beveled Lite Frame with Wire Glass and Glazing Tape, for 1-3/4″ thick doors

The lite kits install without drilling holes through the door for quick installation. The hemmed design is a flush-mounted assembly and is ideal for clean environments.

  • Order size equal to cutout size – Glass size is 1″ under, Visible glass is 2″ under
  • Includes 1/4″ (6mm) thick fire, safety, and impact-rated wire glass – Safety film applied to one side & embedded 3/4 x 3/4″ wire mesh (diamond pattern)
  • Glass is permanently etched with UL classification
  • Glazing tape included with every kit (V980 or FG3000S90)
  • 20 gauge galvannealed steel frame


*Sizes Etched with 45 Minute UL Label: 24″ x 24″, 24″ x 30″, 24″ x 32″, 24″ x 34″, 24″x 36″

*Sizes Etched with 90 Minute Label: 10″ x 10″, 12″ x 12″, 5″ x 35″, 6″ x 27″, 7″ x 22″, ^8″ x 32″

^Pemko FG3000 Glazing Tape Included. V980 glazing tape included with all other sizes.

*Please refer to IBC code Chapter 7 (International Building Code) for fire-rated glass requirements and limitations. Door frame, door, and hardware must also be fire-rated. Fire-rating requirements must match the glazing requirements in order for the assembly to fully meet code requirements. Please refer to the manufacturers’ specifications. Please Consult with your door and frame manufacturer’s procedures, for their maximum glass size tested. Interpretation of building and fire codes may vary. Consult with the local authority having jurisdiction to determine appropriate standards in your area. Trudoor assumes no liability or responsibility for any damage to person or property resulting from or incident to the use of the products that we provide. Trudoor assumes no liability or responsibility for misspecified and/or misordered materials. Glass is cut to order and non-returnable or refundable.

Note: Per NFPA 80 (National Fire Protection Association), field cutting of doors for vision panels or enlarging existing cutouts for vision panels is considered to be a field modification that is NOT allowed.

Trudoor is certified by UL to cut, re-certify and label fire-rated glazing materials. Our facility undergoes routine inspections to verify that modifications are done in compliance with the requirements of the UL specification listings. All material is tested in accordance with NFPA codes and standards. UL file number: R39507

Glass is cut to order and non-returnable or refundable.

All lite kits are carefully packaged to ensure safe delivery. Due to the weight and/or fragile nature of this product, a handling/package fee will be added upon checkout. The fee varies depending on the shipping destination. See our shipping info page for more details.



Beige Powder Coat, BSP Black Suede Powder Coat, Dark Bronze Duranodic Powder Coat, Gray Primer Powder Coat, WSP White Suede Powder Coat

Order Size

5" x 35", 6" x 27", 7" x 22", 8" x 32", 10" x 10", 12" x 12", 24" x 24", 24" x 30", 24" x 32", 24" x 34", 24" x 36"

Frame Profile


Frame Construction

20 Gauge Galvannealed Steel

Frame Fire-Rating

Classified in accordance with UBC code standard 7-2 for positive pressure, 90 Minute Fire Rating

Frame Fasteners

#8 x 1-3/4" Phillips head SMS

Glass Type

Wire Fire-Rated Glass

Glass Appearance

Clear w/ Embedded 3/4″ x 3/4″ Wire Mesh

Glass Light Transmission

Approx. 86%

Glass Thickness


Glass Impact Safety Rating

CPSC 16CFR 1201 (CAT I & II)

Glass Fire-Rating

20 to 90 Minutes with Hose Stream – UL Listed

Glass Approvals

UL 9, UL 10B; NFPA 80, NFPA 252, NFPA 257; ASTM E2074, E152, E163, E2010-01; ULC CAN4-S104 & CAN4-S106

Door Thickness


Buy American Act Compliance

Meets Buy Amercian Act – Made in USA