Frameless Skylight for Flat Roof 500 x 500 mm

Rooflight Factory Flat Roof Skylight – Triple Glazed for Maximum Light and Thermal EfficiencyBrighten your living space with the Rooflight Factory Flat Roof Skylight, a stylish and high-performance solution designed to fill your home with natural light while offering excellent insulation and durability. Perfect for modern homes, extensions, and commercial buildings, this skylight blends energy efficiency, safety, and sleek design to create a comfortable and visually appealing environment.Triple-Glazed Design for Superior PerformanceEach Rooflight Factory skylight is carefully engineered with three layers of premium glass, ensuring lasting strength and outstanding thermal efficiency:Top Glass Layer: 6 mm Planibel Clearlite / Thermally toughened glass BS EN 12150Middle Glass  Layer: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150Bottom Glass Layer: Stratobel Clearlite 44.2 /  Laminated glass EN 14449This advanced triple-glazed structure provides a U-value of 0.9 W/m²K and a G-value of 58%, ensuring exceptional insulation and energy efficiency. The Low-E coating reflects heat back into the room while minimising heat loss, helping to maintain a comfortable temperature throughout the year. The self-cleaning surface and UV protection ensure long-term clarity and low maintenance, while the clear tint maximises daylight and visibility.Technical SpecificationsGlazing Type: Triple GlazedInternal Glass Size: 500 x 500 mmExternal Glass Size: 700 x 700 mmTop Glass Pane: 6 mm Planibel Clearlite / Thermally toughened glass BS EN 12150Middle Glass Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150Bottom Glass Pane: Stratobel Clearlite 44.2 / Laminated glass EN 14449Spacer Type: 15 mm Black Warm EdgeAir Gap: 15 mm, 90% Argon FilledU Value: 0.9 W/m²KG Value: 58%Net Weight: 14.85 kgSelf-Cleaning: YesUV Protection: YesTint: ClearSafety and ComplianceAt Rooflight Factory, safety and quality are paramount. Each skylight complies with all British Standards and Building Regulations and carries full Safety Markings. The product is CE marked, confirming it meets the strict requirements for products sold across the UK and Europe. Designed for installation at pitches up to 45 degrees, this skylight provides reliable performance and peace of mind for every homeowner.Installation RecommendationsTo achieve the best possible installation and ensure lasting performance, follow these expert recommendations:Dimensions: The top glass includes a black border, which increases the external size by 200 mm in each direction.Opening Preparation: Allow an extra 10 mm internally from upstand to upstand for accurate fitting. For example, a 600 x 900 mm skylight requires a 610 x 910 mm internal opening.Upstand Construction: Build the upstand (wooden framework) using 2×1 or 2×2 inch timbers for robust support.Foam Rope and Sealant: Place foam rope on top of the supporting baton to balance weight distribution. Apply Dowsil 791 black silicone sealant around the perimeter for a watertight finish. Acrylic sealants should not be used as they are incompatible with the glazing materials.Customisation OptionsRooflight Factory provides a range of custom-sized frameless skylights and oversized frameless skylights to suit individual project requirements. Each unit is built to order, ensuring perfect dimensions, excellent craftsmanship, and seamless integration with your roof design.Why Choose Rooflight Factory?Best Price Guarantee20-Year WarrantySecure Payment ProtectionSelf-Cleaning and UV Protected GlassClear Tint for Maximum DaylightFree Delivery within London (M25)All Panels Safety Toughened and LaminatedMade in the EU with London-Based StockQuick and Easy InstallationStep-by-Step Installation Guide IncludedRooflight Factory Flat Roof Skylights combine precision engineering, energy efficiency, and contemporary design to create the perfect architectural enhancement for your home or business. Enjoy the benefits of natural light, safety, and style — all in one expertly crafted unit.