Korniche Aluminium Roof Lantern – New Generation, 3000–4000mm Wide | Made For Trade

The new-generation Korniche Aluminium Roof Lantern from Made For Trade is a slim, thermally broken aluminium lantern for flat roof extensions, kitchens and orangeries. It is made to order in the UK and supplied as a complete kit with full instructions, so it goes together quickly on site. Made to measure: any size up to 6m long x 4m wide Don't see your size? Every Korniche lantern is made to order, so we can supply it to suit your upstand. The sizes listed above are our most popular. Bespoke lanterns can be made to any size within these limits: Maximum length: 6m (6000mm) Maximum width: 4m (4000mm) Smallest size: from 850mm x 850mm Rectangular lanterns up to 3m x 2.5m need only four glass units, for the cleanest possible view. Square pyramid lanterns are available up to 4m x 4m. Bespoke RAL colours and dual colours (a different colour inside and out) are also available. 📏 Need a custom size? Get a quote To get a price for a custom size, send us your finished external upstand size (length x width), frame colour and glass choice, and we'll come back to you with a quote. Not sure how to measure? Use the Roof Lantern Surveying Guide and Upstand Surveying Guide. Looking for a different size? This lantern is listed in three size ranges: 1000–1500mm wide, 2000–2500mm wide and 3000–4000mm wide. Key features Thermally broken frame: the outer aluminium is isolated from the inner profiles to cut heat loss and condensation risk. Self-cleaning glass as standard: 28mm argon-filled double-glazed units with a low-E coating and black warm-edge spacer bars. U-value of 1.2 W/m²K with standard clear glass, or 1.0 W/m²K with premium glass options. Quick to fit: no cutting or silicone needed within the roof structure. Slim, clean lines: die-cast aluminium components and concealed fixings. Fixed 25° roof pitch. Powder-coated finish: White (RAL 9910), Anthracite Grey (RAL 7016) or Black (RAL 9005) outside, with a white interior as standard. Glass options Clear self-cleaning glass is supplied as standard. Neutral and blue tints (1.2 W/m²K) and premium clear, blue and aqua solar control glass (1.0 W/m²K) are available, along with satin privacy and laminated glass. Contact us for a quote on any glass upgrade. Sizes and upstand All sizes are the finished external upstand size, including your waterproof membrane. The lantern slightly overhangs the upstand. Upstand not included. Build to a fully weathered, insulated, level and square upstand. NHBC Standards call for rooflight upstands at least 150mm above the finished roof surface. Please read the surveying guides before ordering. As this lantern is made to order, sizes cannot be changed once production starts. Fit the lantern following the manufacturer's installation guide to keep the warranty valid. Delivery Made to order and delivered to mainland UK only. Delivered direct from the manufacturer on a large vehicle, kerbside only. Please make sure there is access and help on hand to unload. Surcharges may apply to some Scottish Highlands, Islands and Cornwall postcodes. Contact us to confirm before ordering. Need a custom size, colour or glass? Any size up to 6m x 4m. Get in touch with your upstand measurements for a quote.