Performance Toughened Glass & Insulated Units
Performance Toughened Glass & Insulated Units — heat-strengthened and toughened safety glass, sealed insulating glass units, low-E argon-filled glazing for high-performance commercial buildings. Manufactured to BS EN 12150 / 14179 / 1279; CE / UKCA marked.
Performance Toughened Glass & Insulated Units — Range Overview
The Trent Glass Performance Toughened Glass & Insulated Units range — covering 4 sub-ranges. Each is detailed below with its own dedicated page.



Trent Glass Performance Toughened Glass & Insulated Units is our core volume range of safety-grade toughened glass and sealed insulating glass units (IGUs) for residential and commercial buildings. Includes single toughened panels, double and triple-glazed units, and low-E argon-filled IGUs for thermal performance.
Explore Our Sub-Ranges
Our Sub-Ranges
1. Toughened Glass
Single-pane safety glass for doors, partitions, balustrades and shopfronts. Heat-soaked to BS EN 14179. View Toughened Glass →
2. Double Glazing Units
Sealed insulated glass units (IGUs) — two glass panes separated by spacer and inert gas fill. The volume product for residential and commercial windows. View Double Glazing Units →
3. Triple Glazing Units
Three-pane IGUs for Passivhaus, EnerPHit and cold-climate new builds where U-value < 1.0 W/m²K is required. View Triple Glazing Units →
4. Low-E Argon Insulated Glass
IGUs with low-emissivity (low-E) coating and argon gas fill — optimum cost-performance for the UK market. View Low-E Argon Insulated Glass →
Common Specifications
- Glass: heat-soaked toughened to BS EN 12150 + BS EN 14179
- IGUs: sealed to BS EN 1279 with 10-year vapour-seal warranty
- Maximum panel: 3000 × 6000 mm (toughened); 2500 × 4000 mm (IGU)
- U-values: 1.1 (double) / 0.6 (triple) / 0.5 (vacuum) W/m²K
- CE / UKCA marked; lead time 2–4 weeks