Rooflight Factory Flat Roof Skylight – Triple Glazed Clarity and Lasting Performance
Bring natural light and contemporary design into your home with the Rooflight Factory Flat Roof Skylight. Engineered for energy efficiency, safety, and aesthetic appeal, this premium skylight delivers exceptional insulation and a beautifully clear view of the sky. Perfect for modern British homes, it offers both functionality and refined style.
Advanced Triple-Glazed Design
Each Rooflight Factory skylight is meticulously crafted with three layers of high-performance glass to ensure durability, superior insulation, and year-round comfort:
- 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 precision-built triple-glazed configuration provides a U-value of 0.9 W/m²K and a G-value of 58%, ensuring excellent thermal performance while allowing abundant natural light to enter your space.
Product Specifications
- Glazing Type: Triple Glazed
- Internal Glass Size: 500 x 3000 mm
- External Glass Size: 700 x 3200 mm
- Spacer Type: 15 mm Black Warm Edge
- Air Gap: 15 mm, 90% Argon Filled
- Net Weight: 80 kg
- Self-Cleaning: Yes
- UV Protection: Yes
- Tint: Clear
Safety and Compliance
Every Rooflight Factory skylight meets British Standards and Building Regulations, ensuring safety, reliability, and performance. The unit carries all relevant Safety Markings and is CE certified for compliance with European directives. It is suitable for installation on roofs with a maximum pitch of 45 degrees.
Installation Recommendations
To achieve the best results and ensure a secure fit, please follow the installation guidance below:
- Dimensions: The top pane includes a black border that extends the external measurements by 200 mm in each direction.
- Opening Size: Allow an extra 10 mm internally from upstand to upstand for a precise fit. For example, a 600 x 900 mm unit requires a 610 x 910 mm internal opening.
- Upstand Construction: Construct the upstand using 2×1 or 2×2 inch timbers for reliable support and structural integrity.
- Foam Rope & Sealant: Use foam rope on top of the internal support baton to distribute weight evenly. Apply Dowsil 791 black sealant for a watertight perimeter. Do not use acrylic sealants, as they are incompatible with this product.
Custom Size Options
For bespoke projects, Rooflight Factory provides easy-to-use tools to help you find the perfect fit:
- Custom Size Frameless Skylight Calculator
- Custom Oversize Frameless Skylight Calculator
Why Choose Rooflight Factory?
- Best Price Guarantee
- 20-Year Warranty
- Secure Payment Assurance
- Self-Cleaning Glass
- Clear Tint and UV Protection
- Free Delivery within London (M25)
- All Glass Panels Toughened and Laminated
- Made in the EU with London-Based Stock
- Quick and Easy Installation
- Step-by-Step Installation Guide
Rooflight Factory Flat Roof Skylights are designed to transform your home with natural light, modern style, and reliable performance. Combining advanced glazing technology with elegant simplicity, they’re the perfect finishing touch for any contemporary living space.



















































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