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Toughened Double Glazing

Experience enhanced safety, insulation, and energy performance with Trent Glass’s toughened double glazing—perfect for modern commercial and residential applications.

Key Features

  • High Safety Toughened Glass
    Both panes are fully toughened for maximum strength and impact resistance, offering a safer alternative to standard annealed double glazing.
  • Low-E Energy Efficiency
    Our Low-E coated inner pane significantly reduces heat loss while maintaining excellent natural light transmission.
  • Argon Gas Filled
    Each unit is filled with high-purity argon gas to improve thermal performance and reduce U-values.
  • Precision-Engineered Spacer System
    Durable warm-edge spacer bars minimise heat transfer and help prevent condensation along the edges.
  • Weather-Resistant Seals
    High-performance sealing ensures long-term durability, preventing moisture ingress even under extreme UK weather conditions.

Ideal Applications

  • Residential windows
  • Commercial shopfronts
  • Office partitions
  • Conservatories
  • Patio doors
  • Rooflights (where specification allows)

Technical Specifications

Glass TypeDouble-glazed toughened safety glass
Outer Pane4mm / 5mm / 6mm / 8mm toughened glass
Inner PaneLow-E coated toughened glass
Cavity6–20mm
Gas Fill90%+ argon gas
SpacerWarm-edge spacer system
U-ValueAs low as 1.1 W/m²K depending on configuration
Max SizeAccording to toughening capability and EN standards
CertificationEN 12150 / EN 1279 compliant

Why Choose Trent Glass’s Toughened Double Glazing?

  • Superior Thermal Performance
    Low-E glass, argon gas filling, and warm-edge spacers combine to deliver significantly improved insulation over standard toughened units.
  • Enhanced Strength & Safety
    Ideal for applications requiring higher mechanical strength while maintaining clarity and visual quality.
  • Custom Sizes & Reliable Lead Times
    All units are made to order with precise cutting and consistent toughening quality to suit your project requirements.

Get a Quote Today

Upgrade your project with high-performance toughened double glazing from Trent Glass.

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toughed double glazing

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