{"product_id":"fakro-dxf-d-u8-non-opening-flat-roof-window","title":"Fakro DXF-D U8 Non-Opening Flat Roof Window","description":"\u003ch3\u003eFakro DXF-D U8 Non-Opening Flat Roof Window\u003c\/h3\u003e\n\nThe \u003cstrong\u003eFakro DXF-D U8 Non-Opening Flat Roof Window\u003c\/strong\u003e is a high-performance daylighting solution designed to bring natural light into modern residential and commercial spaces. With its fixed, non-opening design and advanced quadruple glazing, it provides excellent thermal insulation, security and acoustic performance without compromising on contemporary style.\n\n\u003ch3\u003eHigh-Performance Quadruple Glazing\u003c\/h3\u003e\n\nThe DXF-D U8 features advanced \u003cstrong\u003equadruple glazing\u003c\/strong\u003e, making it well suited to projects where strong thermal performance is a priority. The glazing incorporates 6mm toughened external glass and laminated internal anti-burglary glass rated P2A or higher, providing a robust combination of insulation, durability and security.\n\nThe entire window can achieve a U-value as low as \u003cstrong\u003e0.64 W\/m²K\u003c\/strong\u003e, helping to reduce heat transfer and minimise heat loss through the roof. The advanced glazing construction also helps reduce outside noise, creating a quieter and more comfortable interior.\n\n\u003ch3\u003eFixed Design for Security and Efficiency\u003c\/h3\u003e\n\nThe \u003cstrong\u003enon-opening design\u003c\/strong\u003e makes the DXF-D U8 an ideal choice for rooms where ventilation is not required. By eliminating the need for an opening mechanism, the window provides a straightforward and low-maintenance way to introduce natural daylight while maintaining a secure barrier between the interior and exterior.\n\nIts fixed construction also supports thermal efficiency, helping to retain warmth within the building during colder periods while allowing natural daylight to brighten the room.\n\n\u003ch3\u003eStrong and Well-Insulated Construction\u003c\/h3\u003e\n\nThe window is supplied with a \u003cstrong\u003e150mm insulated UPVC kerb upstand\u003c\/strong\u003e finished in RAL9010 white PVC. Its durable multi-chamber construction provides rigidity and helps support the window's thermal performance, making it suitable for long-term use in residential and commercial buildings.\n\n\u003ch3\u003eContemporary Architectural Finish\u003c\/h3\u003e\n\nThe Fakro DXF-D U8 combines high-performance construction with a clean, modern appearance. The \u003cstrong\u003eRAL9005 black profiles\u003c\/strong\u003e, subtle grey-tinted glazing and darkness-effect glazing edge create a contemporary finish that can complement a wide range of modern architectural styles.\n\n\u003ch3\u003eSuitable for Flat Roof Applications\u003c\/h3\u003e\n\nDesigned for flat roofs with pitches between \u003cstrong\u003e2° and 15°\u003c\/strong\u003e, the DXF-D U8 can be used across a variety of roof configurations. Its fixed design makes it particularly suitable for areas where the goal is to increase natural daylight while maintaining insulation, security and a streamlined appearance.\n\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\n\nThe Fakro DXF-D U8 Non-Opening Flat Roof Window is available in a wide range of sizes, giving you flexibility when planning different roof layouts and daylight requirements:\n\n\u003cul\u003e \u003cli\u003e\u003cstrong\u003e600 x 600mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e600 x 900mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e700 x 700mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e800 x 800mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e900 x 900mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e900 x 1200mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1000 x 1000mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1000 x 1500mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1200 x 1200mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1400 x 1400mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1200 x 2200mm\u003c\/strong\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\nFrom the compact \u003cstrong\u003e600 x 600mm\u003c\/strong\u003e option through to the larger \u003cstrong\u003e1200 x 2200mm\u003c\/strong\u003e size, the range provides options for different room dimensions, roof designs and daylighting requirements.\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\n\u003cul\u003e \u003cli\u003eFixed, non-opening design for spaces where ventilation is not required\u003c\/li\u003e \u003cli\u003eHigh-performance quadruple glazing for excellent thermal insulation\u003c\/li\u003e \u003cli\u003eWhole-window U-value as low as \u003cstrong\u003e0.64 W\/m²K\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003e6mm toughened external glass for increased durability\u003c\/li\u003e \u003cli\u003eLaminated internal anti-burglary glass rated P2A or higher\u003c\/li\u003e \u003cli\u003eGlazing construction designed to help reduce external noise\u003c\/li\u003e \u003cli\u003e150mm insulated UPVC kerb upstand\u003c\/li\u003e \u003cli\u003eDurable multi-chamber frame construction\u003c\/li\u003e \u003cli\u003eRAL9005 black profiles for a contemporary appearance\u003c\/li\u003e \u003cli\u003eSubtle grey-tinted glazing with a darkness-effect edge\u003c\/li\u003e \u003cli\u003eSuitable for flat roof pitches between \u003cstrong\u003e2° and 15°\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eAvailable in 11 different sizes\u003c\/li\u003e \u003cli\u003eSuitable for residential and commercial applications\u003c\/li\u003e \u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eIs the Fakro DXF-D U8 Non-Opening Flat Roof Window suitable for ventilation?\u003c\/h4\u003e\n\nNo. The \u003cstrong\u003eFakro DXF-D U8 Non-Opening Flat Roof Window\u003c\/strong\u003e is a fixed window and cannot be opened. It is designed for spaces where ventilation is not required and where natural daylight, thermal insulation and security are the main priorities.\n\n\u003ch4\u003eWhat type of glazing does the Fakro DXF-D U8 use?\u003c\/h4\u003e\n\nThe DXF-D U8 uses \u003cstrong\u003equadruple glazing\u003c\/strong\u003e, including 6mm toughened external glass and laminated internal anti-burglary glass rated P2A or higher. This glazing configuration provides strong thermal and security performance while also helping to reduce external noise.\n\n\u003ch4\u003eWhat sizes are available for the Fakro DXF-D U8?\u003c\/h4\u003e\n\nThe Fakro DXF-D U8 is available in 11 sizes: \u003cstrong\u003e600 x 600mm, 600 x 900mm, 700 x 700mm, 800 x 800mm, 900 x 900mm, 900 x 1200mm, 1000 x 1000mm, 1000 x 1500mm, 1200 x 1200mm, 1400 x 1400mm and 1200 x 2200mm\u003c\/strong\u003e. This range allows the window to be specified for a variety of flat roof layouts and daylighting requirements.","brand":"Fakro","offers":[{"title":"600x600mm","offer_id":55491124789590,"sku":"117041","price":1535.0,"currency_code":"GBP","in_stock":true},{"title":"600x900mm","offer_id":55491124822358,"sku":"117042","price":1655.0,"currency_code":"GBP","in_stock":true},{"title":"700x700mm","offer_id":55491124855126,"sku":"117043","price":1692.0,"currency_code":"GBP","in_stock":true},{"title":"800x800mm","offer_id":55491124887894,"sku":"117044","price":1711.0,"currency_code":"GBP","in_stock":true},{"title":"900x900mm","offer_id":55491124920662,"sku":"117045","price":1892.0,"currency_code":"GBP","in_stock":true},{"title":"900x1200mm","offer_id":55491124953430,"sku":"117046","price":2097.0,"currency_code":"GBP","in_stock":true},{"title":"1000x1000mm","offer_id":55491124986198,"sku":"117047","price":2063.0,"currency_code":"GBP","in_stock":true},{"title":"1000x1500mm","offer_id":55491125018966,"sku":"117048","price":2539.0,"currency_code":"GBP","in_stock":true},{"title":"1200x1200mm","offer_id":55491125051734,"sku":"117049","price":2447.0,"currency_code":"GBP","in_stock":true},{"title":"1400x1400mm","offer_id":55491125084502,"sku":"117050","price":4718.0,"currency_code":"GBP","in_stock":true},{"title":"1200x2200mm","offer_id":55491125117270,"sku":"117051","price":6273.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/fakro-dxf-d-u8-non-opening-flat-roof-window-4407632.jpg?v=1790439371","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/fakro-dxf-d-u8-non-opening-flat-roof-window","provider":"JJ Building Materials","version":"1.0","type":"link"}