Rooflight Factory Flat Roof Skylight – Triple Glazed for Bright, Energy-Efficient Living
Transform your home with the Rooflight Factory Flat Roof Skylight, designed to deliver outstanding clarity, insulation, and style. Expertly engineered for modern British properties, this skylight enhances natural light while maintaining superb thermal performance and long-lasting durability. Ideal for both contemporary builds and home renovations, it creates an open, airy atmosphere that elevates any living space.
Precision Triple-Glazed Construction
Each Rooflight Factory skylight is crafted with three specialised glass layers, ensuring optimal strength, energy efficiency, and visual clarity:
- 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 triple-glazed unit offers an impressive U-value of 0.9 W/m²K and a G-value of 58%, helping to maintain comfortable indoor temperatures and reduce energy costs. Its clear tint ensures a crisp, unobstructed view while allowing generous daylight into your home.
Product Specifications
- Glazing Type: Triple Glazed
- Internal Glass Size: 400 x 3000 mm
- External Glass Size: 600 x 3200 mm
- Spacer Type: 15 mm Black Warm Edge
- Air Gap: 15 mm, 90% Argon Filled
- Net Weight: 66 kg
- Self-Cleaning: Yes
- UV Protection: Yes
- Tint: Clear
Safety and Compliance
The Rooflight Factory Flat Roof Skylight is fully compliant with British Standards and Building Regulations, providing homeowners with confidence and peace of mind. Each unit includes all necessary Safety Markings and is CE certified, demonstrating conformity with relevant EU standards. Suitable for roof pitches up to 45 degrees, this skylight ensures performance and safety without compromise.
Installation Guidance
To achieve the best results and a perfect fit, follow these installation recommendations:
- Dimensions: The top glass pane includes a black border, increasing external dimensions by 200 mm in every direction.
- Opening Preparation: Allow an extra 10 mm internally from upstand to upstand for fitting accuracy. For example, a 600 x 900 mm unit requires a 610 x 910 mm internal opening.
- Upstand Construction: Build using 2×1 or 2×2 inch timbers for reliable support and easy installation.
- Foam Rope & Sealant: Use foam rope atop the internal support baton to balance glass weight evenly. Apply Dowsil 791 black sealant for a watertight perimeter. Avoid acrylic sealants, which are incompatible with the unit.
Custom Options for Every Project
Tailor your installation perfectly with Rooflight Factory’s Custom Size Frameless Skylight Calculator and Custom Oversize Frameless Skylight Calculator. Whether you need a unique dimension or a bespoke solution, our tools make it easy to find your ideal skylight size.
Why Choose Rooflight Factory?
- Best Price Guarantee
- 20-Year Warranty
- Secure Payment Assurance
- Self-Cleaning & UV Protected Glass
- Clear Tint for Exceptional Clarity
- Free Delivery within London (M25)
- All Glass Panels Toughened and Laminated
- Made in the EU, Stocked in London
- Quick and Simple Installation
- Step-by-Step Installation Guide
Rooflight Factory Flat Roof Skylights combine expert craftsmanship, cutting-edge glass technology, and timeless design to bring light and warmth into your home. Designed for lasting performance, they offer the perfect blend of elegance, efficiency, and reliability for every modern living space.



















































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