Images are for illustration purposes only.
Technical Specifications
| Thickness | Multiple options available — see product title |
| Standard / Certification | BS EN 1279 (Insulating Glass Units) |
| Maximum Size | 1000mm × 1000mm or 800mm × 1600mm (6mm spacer) |
| Minimum Size (Toughened) | 150mm × 250mm |
| Minimum Chargeable Area | 0.3m²— smaller panels are charged at this minimum |
| Lead Time | Confirmed in your order confirmation email |
| Edge Treatment | Sealed unit — no exposed edges |
| Guarantee | 5 years — see full terms |
| Finish | Clear / as specified — tinted options available on request |
Applications & Uses
Listed buildings
conservation areas
heritage properties
period homes
sash windows
safety applications
exposed locations
Not sure if this glass type suits your application? Call our team on 020 7206 2492 for free advice.
About This Product
Heritage Unit - 4mm toughened / argon / 4mm softcoat - 7mm sightline UV 2.6 — slim-profile heritage double glazed unit designed for listed buildings and conservation areas. Manufactured to BS EN 1279 BS EN 12150 with a 7mm sightline to replicate the appearance of traditional single glazing.
Specifications
- Thickness: 4/4/4mm
- Glass Type: Float / Softcoat
- Standard: BS EN 1279 BS EN 12150
- U-Value: 2.6 W/m²K
- Sightline: 7mm
- Spacer: 6mm Black Warm Edge Spacer Bar
- Gas Fill: Argon, Krypton, Xenon, Special
- Lead Time: Approx 7-10 working days
Typical Applications
- Listed buildings
- conservation areas
- heritage properties
- period homes
- sash windows
- safety applications
- exposed locations
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