High-Performance Double-Glazed Unit by Rooflight Factory
Enhance your space with the exceptional clarity and energy efficiency of the Rooflight Factory double-glazed unit. Expertly engineered to deliver superior insulation and light transmission, this glass construction ensures lasting performance and comfort in any modern home or commercial setting.
Key Benefits
- Excellent Thermal Efficiency: Achieves a U-value of 1.1 W/m²K (EN 673), helping to maintain indoor warmth and reduce heat loss.
- Outstanding Light Clarity: Allows 74% light transmission (EN 410), providing bright and naturally lit interiors.
- Enhanced Solar Control: Low-E coating and argon gas filling minimise solar gain while maintaining transparency.
- Durable and Safe: Constructed from thermally toughened and laminated glass to ensure long-lasting safety and performance.
- Precision Engineering: Built to exacting European standards for consistent quality and reliability.
Glass Composition
- 1st Pane: Stratobel Clearlite 8.8.8 Thermally Toughened Laminated Glass
- Air Gap: Air gap: 16 mm Argon 90%
- 2nd Pane: 6 mm iplus Thermally toughened glass with Low-E coating BS EN 12150
Technical Specifications
| Specification | Value |
|---|---|
| Glazing Type | Double Glazed |
| Top Glass Pane | Stratobel Clearlite 8.8.8 Thermally Toughened Laminated Glass |
| Bottom Glass Pane | 6 mm iplus Thermally toughened glass with Low-E coating BS EN 12150 |
| Air Gap | 16 mm Argon 90% |
| U-value (EN 673) | 1.1 W/m²K |
| Light Transmittance (EN 410) | τv [%] 74 |
| External Light Reflection (EN 410) | ρv [%] 11 |
| Internal Light Reflection (EN 410) | ρvi [%] 12 |
| Colour Rendering Index (EN 410) | Ra [%] 95 |
| Total Solar Energy Transmittance (EN 410) | g [%] 49 |
| Shading Coefficient (EN 410) | SC 0.56 |
| Selectivity (EN 410) | 1.51 |
Applications
This double-glazed unit is ideal for contemporary rooflights, skylights, and glazed structures requiring both strength and thermal control. It ensures superior energy efficiency while maintaining excellent optical clarity, making it a perfect choice for modern British architecture and design.
Why Choose Rooflight Factory?
At Rooflight Factory, quality meets innovation. Each glazing unit is manufactured with precision to meet the highest European standards, offering exceptional durability, energy performance, and aesthetic appeal. Choose a product that delivers comfort, clarity, and confidence—crafted for the British climate and built to last.






























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