Rooflight Factory Flat Roof Skylight – Triple Glazed for Brightness, Strength, and Energy Efficiency
Enhance your living space with the Rooflight Factory Flat Roof Skylight, designed to bring exceptional natural light and thermal performance into your home. Combining advanced glazing technology with sleek, modern design, this skylight offers superior energy efficiency, durability, and visual appeal – the perfect addition to any contemporary British property.
Triple-Glazed Construction for Maximum Performance
The Rooflight Factory Flat Roof Skylight features a high-quality triple-glazed structure that ensures strength, clarity, and thermal efficiency. Each layer is precisely engineered to contribute to long-lasting performance and insulation:
- Top Glass Layer: 6 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
- Middle Glass Layer: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
- Bottom Glass Layer: Stratobel Clearlite 44.2 / Laminated glass EN 14449
This advanced design achieves a U-value of 0.9 W/m²K and a G-value of 58%, providing exceptional insulation while allowing abundant daylight to fill your interior. The Low-E coating reflects heat back inside during winter and limits solar gain in summer, ensuring year-round comfort. The clear tint enhances brightness, creating a fresh and open atmosphere within your living space.
Product Specifications
- Glazing Type: Triple Glazed
- Internal Glass Size: 1000 x 1500 mm
- External Glass Size: 1200 x 1700 mm
- Top Glass Pane: 6 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
- Middle Glass Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
- Bottom Glass Pane: Stratobel Clearlite 44.2 / Laminated glass EN 14449
- Spacer Type: 15 mm Black Warm Edge
- Air Gap: 15 mm, 90% Argon Filled
- U Value: 0.9 W/m²K
- G Value: 58%
- Net Weight: 75.6 kg
- Self-Cleaning: Yes
- UV Protection: Yes
- Tint: Clear
Safety and Compliance
All Rooflight Factory skylights meet the highest British Standards and Building Regulations for quality and safety. Each unit carries full Safety Markings and is CE certified, ensuring compliance with EU product directives. Designed for installation on roof pitches up to 45 degrees, this skylight combines reliability with refined aesthetics, offering peace of mind and long-term durability.
Installation Guidelines
For best results, we recommend following these professional installation steps to ensure a secure, watertight fit:
- Dimensions: The top pane includes a black border, extending the external measurements by 200 mm in each direction.
- Opening Preparation: Allow an additional 10 mm internally from upstand to upstand for accurate fitting. For instance, a 600 x 900 mm skylight requires a 610 x 910 mm internal opening.
- Upstand Construction: Use 2×1 or 2×2 inch timbers to build the upstand for proper stability and alignment.
- Foam Rope & Sealant: Apply foam rope on the internal supporting baton to distribute weight evenly. Use Dowsil 791 black silicone sealant for a watertight seal. Avoid acrylic sealants, as they are not compatible with this product.
Customisation Options
Rooflight Factory offers complete flexibility with bespoke sizing options. Whether you need a standard or oversized skylight, our Custom Size Frameless Skylight Calculator and Custom Oversize Frameless Skylight Calculator help you design a product tailored perfectly to your project’s dimensions and aesthetic.
Why Choose Rooflight Factory?
- Best Price Guarantee
- 20-Year Warranty
- Secure Payment Protection
- Self-Cleaning & UV Protected Glass
- Clear Tint for Maximum Light Transmission
- Free Delivery within London (M25)
- All Panels Safety Toughened and Laminated
- Made in the EU with London-Based Stock
- Quick and Easy Installation
- Step-by-Step Installation Guide Included
Rooflight Factory Flat Roof Skylights combine strength, sophistication, and efficiency. With triple-glazed technology, refined design, and top-tier safety compliance, they offer a reliable, elegant, and energy-saving solution for brighter, more comfortable living spaces.



















































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