Frameless Skylight for Flat Roof 300 x 300 mm

Rooflight Factory Flat Roof Skylight – Compact, Efficient, and Built to LastBrighten your home with the Rooflight Factory Flat Roof Skylight, a premium triple-glazed rooflight designed for exceptional thermal performance, safety, and clarity. Perfect for modern extensions, bathrooms, hallways, or garden rooms, this compact skylight brings in abundant natural light while keeping your interior warm, quiet, and energy efficient all year round.Triple-Glazed Construction for Superior PerformanceEach Rooflight Factory skylight is crafted with three precision-engineered layers of glass, providing optimal strength, insulation, and durability: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 glazing system offers a U-value of 0.9 W/m²K and a G-value of 58%, ensuring excellent thermal insulation and natural light transmission. The Low-E coating reflects heat back into your home during winter while keeping interiors cooler in summer. Each unit also features self-cleaning glass, UV protection, and a clear tint for enhanced visibility and minimal maintenance.Technical SpecificationsGlazing Type: Triple GlazedInternal Glass Size: 300 x 300 mmExternal Glass Size: 500 x 500 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: 6.45 kgSelf-Cleaning: YesUV Protection: YesTint: ClearSafety and ComplianceRooflight Factory skylights are designed and tested to meet the highest standards of safety and performance. Each unit conforms to British Standards and Building Regulations, and carries full Safety Markings. This skylight is also CE marked, ensuring compliance with EU and UK regulations for construction products. It can be safely installed on roofs with pitches of up to 45 degrees.Installation RecommendationsFor a precise and watertight installation, please follow the guidance below:Dimensions: The top glass pane includes a black border, increasing the external size by 200 mm in each direction.Opening Preparation: Allow an additional 10 mm internally from upstand to upstand for proper fitting. For example, a 600 x 900 mm unit requires a 610 x 910 mm internal opening.Upstand Construction: Construct the upstand (timber framework) using 2×1 or 2×2 inch timbers for stable support.Foam Rope and Sealant: Apply foam rope on the internal supporting baton to balance glass weight. Use Dowsil 791 black silicone sealant to ensure a watertight seal. Acrylic sealants are not compatible and should be avoided.Customisation OptionsRooflight Factory also offers custom-sized frameless skylights and oversized frameless skylights for bespoke architectural projects, ensuring a perfect fit for every design and dimension.Why Choose Rooflight Factory?Best Price Guarantee20-Year WarrantySecure Payment ProtectionSelf-Cleaning and UV Protected GlassClear Tint for Maximum Natural LightFree Delivery within London (M25)All Glass Panels Safety Toughened and LaminatedMade in the EU with London-Based StockQuick and Easy InstallationStep-by-Step Installation Guide IncludedThe Rooflight Factory Flat Roof Skylight combines modern design, advanced glazing technology, and outstanding energy efficiency in a compact format. Whether for a contemporary home or a smaller project, it’s the perfect choice for adding natural light, style, and comfort to your space.