Protect3 Fire-Rated Safety Wire Glass, 45-Minute Labeled, Cut-to-Size


Usually Ships: 3-5 Business Days
  • Cut-to-size and etched with 45-minute UL classification
  • Smallest Size: 3″ x 3″ – Largest Size: 48″ x 96″
  • Please convert fractional sizes to decimal (ex. 8 ½ = 8.5)
Total Area (sq. ft.)
Product Price

Cut-to-size Protect3™ 45-minute rated fire-protective safety wire glass

Protect3™ safety glass provides FIRE, SAFETY and SECURITY protection all in one. It’s an attractive and economical glazing solution for high traffic areas requiring fire-rated glazing. It’s perfect for commercial, industrial, and institutional buildings including schools and hospitals. Protect3™ Safety Glass is a ¼” (6mm) thick glazing material consisting of fire-rated wire glass with a surface applied fire-rated and impact-safety rated film.

TRUDOOR® is certified by UL, enabling us to cut, re-certify and label Protect3™ Wire Safety Glass and Fire-protection-rated Glazing Materials.

  • Applications: Door vision lites, borrowed lite window frames, sidelite frames, and transoms.
  • 1/4″ w/ Embedded 3/4″ x 3/4″ Wire Mesh
  • CAT II Impact-Rated (Safety Glass)
  • UL Classified and Labeled – Fire-rated up to 45 minutes with hose stream
  • Permanently etched with UL Classification
  • Passes 400 ft-lb impact tests
  • Passes air blast testing – minimum Level 3 @ 4.0 PSI
  • Economical alternative to ceramic glass
  • Glass Approvals: ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and II)
  • Largest Sheet Size: 48″ x 96″


Classified and labeled by Underwriters Laboratories, Inc. for the United States and Canada with File-No. R39507. All fire tests performed in accordance with UL 9, UL10C, UBC 7-2 (1997), UBC 7-4 (1997), NFPA 257, NFPA 80, ASTM E2010-01, ASTM E2074-00, ULC CAN4-S104, and ULC CAN4-S106. Note: This product is not considered a barrier to radiant heat and has not met the ASTM E-119 or UL 263 test standards

Labeling: After cutting, each lite of Protect 3™ Safety Glass fire-protective glass shall be permanently labeled according to local building code requirements with product and manufacturer’s name, UL certification mark, fire rating, etc.

Please refer to IBC code Chapter 7 (International Building Code) for fire-rated glass requirements and limitations. Frame, door and/or 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 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.

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.

Protect3 is a trademark of Glassopolis

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

Claims for Shortage or Damage in Transit: All claims must be made within ten (10) days of receipt of goods

Call 1-844-TRUDOOR (844-878-3667) for info on custom sizes and volume discounts



Architectural Applications – Doors and Windows

Glass Thickness


Glass Impact Safety Rating

ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and II)

Classification (Fire-Rating)

45-Minute UL Label

Glass Fire-Rating

45-Minute with Hose Stream – UL Listed (Etched with UL Classification)

Glass Appearance

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

Glass Weight

3.0 lbs/ft

Wire Pattern

Diamond (Diagonal)

Glass Light Transmission

Approx. 86%

Glass Approvals

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

Glass Fabricated

Trudoor – Phoenix, AZ – USA

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Protect3 Fire-Rated Safety Wire Glass, 45-Minute Labeled, Cut-to-Size