Frameless Skylight for Flat Roof 400 x 3000 mm

Rooflight Factory Flat Roof Skylight – Triple Glazed for Bright, Energy-Efficient LivingTransform 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 ConstructionEach 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 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 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 SpecificationsGlazing Type: Triple GlazedInternal Glass Size: 400 x 3000 mmExternal Glass Size: 600 x 3200 mmSpacer Type: 15 mm Black Warm EdgeAir Gap: 15 mm, 90% Argon FilledNet Weight: 66 kgSelf-Cleaning: YesUV Protection: YesTint: ClearSafety and ComplianceThe 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 GuidanceTo 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 ProjectTailor 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 Guarantee20-Year WarrantySecure Payment AssuranceSelf-Cleaning & UV Protected GlassClear Tint for Exceptional ClarityFree Delivery within London (M25)All Glass Panels Toughened and LaminatedMade in the EU, Stocked in LondonQuick and Simple InstallationStep-by-Step Installation GuideRooflight 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.