Wired Composite Glass

Updated: 2026-07-15

Overview

Wired composite glass is a laminated safety glass variant where metal wires are embedded between glass layers during production. Originally developed for industrial settings, it has gained popularity in architectural applications due to its dual role as a protective and decorative material. The embedded wire mesh prevents glass from shattering upon impact, making it ideal for high-risk environments like factories, schools, and public buildings. Modern variants often incorporate tempered or laminated glass layers to further enhance performance.

Structure and Working Principle

The glass consists of two or more glass sheets bonded with a polyvinyl butyral (PVB) interlayer, with a welded wire grid (usually 5–10 mm spacing) embedded within. Under stress, the wires distribute impact forces and retain broken fragments. When exposed to fire, the wire mesh acts as a reinforcement barrier, slowing heat transfer and maintaining structural integrity longer than standard glass. This makes it compliant with many building codes for fire-rated glazing.

Key Features

1. **Safety**: Meets EN 12600 and ANSI Z97.1 impact standards. The wire grid holds shattered pieces in place, reducing injury risks. 2. **Fire Resistance**: Can achieve 30–120 minutes of fire protection depending on thickness (commonly 6–12 mm). 3. **Design Flexibility**: Available with patterned or clear wires, and customizable mesh designs for aesthetic integration. Additional benefits include UV filtering (up to 99% with special coatings) and sound insulation (STC ratings of 35–42).

Application Areas

1. **Industrial**: Machine guards, warehouse windows, and safety barriers where breakage containment is critical. 2. **Architectural**: Fire escapes, stairwell enclosures, and atrium roofs requiring both transparency and safety. 3. **Retrofit Projects**: Renovations of heritage buildings needing code-compliant glazing without altering aesthetics. In Asia, it’s widely specified for typhoon-prone regions due to its wind-load resistance.

Maintenance and Precautions

Routine cleaning requires non-abrasive cleaners to avoid scratching the glass surface. Metal wires may corrode in highly humid environments unless stainless steel is used. Installation demands precision—edges must be properly sealed to prevent moisture ingress between layers. Cutting or drilling post-production is not recommended; all modifications should be factory-made.

B2B Procurement Guide

1. **Certifications**: Look for CE marking, ASTM E119 (fire rating), and local safety standards. 2. **MOQs**: Suppliers often require 100–500 sqm orders for custom wire patterns; stock sizes may have lower thresholds. 3. **Lead Times**: 4–8 weeks for bespoke products; standard panels may ship in 2 weeks. For cost efficiency, consider Chinese manufacturers like CSG Holding or Taiwan’s Giantplus Glass, which dominate 60% of the global supply. Samples should be tested for optical clarity and wire adhesion.