{"product_id":"fakro-dxf-d-u6-secure-non-opening-flat-roof-window","title":"Fakro DXF-D U6 Secure Non-Opening Flat Roof Window","description":"\u003ch3\u003eFakro DXF-D U6 Secure Non-Opening Flat Roof Window\u003c\/h3\u003e\n\nThe \u003cstrong\u003eFakro DXF-D U6 Secure Non-Opening Flat Roof Window\u003c\/strong\u003e is designed for modern flat roof spaces where natural daylight, strong security and excellent thermal insulation are important. With its fixed, non-opening design, it provides a secure and low-maintenance way to bring more natural light into residential and commercial buildings without the need for ventilation.\n\n\u003ch3\u003eHigh-Security Triple Glazing\u003c\/h3\u003e\n\nThe window features a \u003cstrong\u003eDU6 Secure triple-glazed unit\u003c\/strong\u003e, combining a 6mm toughened external pane with laminated P4A anti-burglary internal glass. This robust glazing construction provides an added level of security while also delivering excellent insulation and durability for everyday use.\n\n\u003ch3\u003eExcellent Thermal Performance\u003c\/h3\u003e\n\nWith a whole-window U-value of \u003cstrong\u003e0.70 W\/m²K\u003c\/strong\u003e and a glass U-value of \u003cstrong\u003e0.5 W\/m²K\u003c\/strong\u003e, the Fakro DXF-D U6 Secure is designed to help reduce heat transfer through the roof. Its strong insulating properties can help create a more comfortable indoor environment while supporting energy-efficient building performance.\n\n\u003ch3\u003eImproved Acoustic Comfort\u003c\/h3\u003e\n\nThe advanced glazing also provides sound reduction of up to \u003cstrong\u003e34dB (-1, -3)\u003c\/strong\u003e, helping to reduce the amount of external noise entering the room. This makes the window a practical choice for spaces where a quieter and more comfortable interior is desirable.\n\n\u003ch3\u003eDurable UPVC Construction\u003c\/h3\u003e\n\nThe Fakro DXF-D U6 Secure is supplied with a \u003cstrong\u003e150mm multi-chamber UPVC kerb upstand\u003c\/strong\u003e finished in RAL9010 white PVC. The robust construction provides durability and rigidity while supporting the window's overall thermal performance.\n\n\u003ch3\u003eContemporary Design\u003c\/h3\u003e\n\nAlongside its technical performance, the window has a sleek, modern appearance. The \u003cstrong\u003eRAL9005 black profiles\u003c\/strong\u003e and darkness-effect glazing edge create a clean architectural finish that complements contemporary residential and commercial designs.\n\n\u003ch3\u003eDesigned for Flat Roofs\u003c\/h3\u003e\n\nThe Fakro DXF-D U6 Secure is suitable for flat roofs with pitches between \u003cstrong\u003e2° and 15°\u003c\/strong\u003e, giving you flexibility across a range of building projects. Its fixed construction is particularly useful in areas where ventilation is not required and the focus is on daylight, security, insulation and a low-maintenance installation.\n\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\n\nThe Fakro DXF-D U6 Secure Non-Opening Flat Roof Window is available in four sizes to suit different roof layouts and daylighting requirements:\n\n\u003cul\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\u003e1200 x 1200mm\u003c\/strong\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\nThis selection includes square and rectangular options, making it easier to choose a suitable size for different residential and commercial flat roof applications.\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\n\u003cul\u003e \u003cli\u003eFixed, non-opening design for areas where ventilation is not required\u003c\/li\u003e \u003cli\u003eDU6 Secure triple glazing for enhanced security and thermal performance\u003c\/li\u003e \u003cli\u003e6mm toughened external glass\u003c\/li\u003e \u003cli\u003eLaminated P4A anti-burglary internal glass\u003c\/li\u003e \u003cli\u003eWhole-window U-value of \u003cstrong\u003e0.70 W\/m²K\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eGlass U-value of \u003cstrong\u003e0.5 W\/m²K\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eSound reduction of up to \u003cstrong\u003e34dB (-1, -3)\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003e150mm multi-chamber UPVC kerb upstand\u003c\/li\u003e \u003cli\u003eRAL9005 black profiles with a darkness-effect glazing edge\u003c\/li\u003e \u003cli\u003eSuitable for flat roof pitches between \u003cstrong\u003e2° and 15°\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eSuitable for residential and commercial applications\u003c\/li\u003e \u003cli\u003eAvailable in four different sizes\u003c\/li\u003e \u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eIs the Fakro DXF-D U6 Secure Flat Roof Window non-opening?\u003c\/h4\u003e\n\nYes. The \u003cstrong\u003eFakro DXF-D U6 Secure Non-Opening Flat Roof Window\u003c\/strong\u003e has a fixed design and does not open. It is intended for areas where ventilation is not needed, providing natural daylight alongside strong security and thermal insulation.\n\n\u003ch4\u003eWhat makes the Fakro DXF-D U6 Secure glazing different?\u003c\/h4\u003e\n\nThe window uses a DU6 Secure triple-glazed unit with \u003cstrong\u003e6mm toughened external glass\u003c\/strong\u003e and laminated \u003cstrong\u003eP4A anti-burglary internal glass\u003c\/strong\u003e. This combination is designed to provide increased security while maintaining strong thermal and acoustic performance.\n\n\u003ch4\u003eWhat sizes is the Fakro DXF-D U6 Secure available in?\u003c\/h4\u003e\n\nThe window is available in four sizes: \u003cstrong\u003e900 x 900mm, 900 x 1200mm, 1000 x 1000mm and 1200 x 1200mm\u003c\/strong\u003e. These options provide flexibility for different flat roof layouts and daylighting requirements.","brand":"Fakro","offers":[{"title":"900x900mm","offer_id":55491125936470,"sku":"117052","price":1673.0,"currency_code":"GBP","in_stock":true},{"title":"900x1200mm","offer_id":55491125969238,"sku":"117053","price":1850.0,"currency_code":"GBP","in_stock":true},{"title":"1000x1000mm","offer_id":55491126002006,"sku":"117054","price":1816.0,"currency_code":"GBP","in_stock":true},{"title":"1200x1200mm","offer_id":55491126034774,"sku":"117055","price":2158.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/fakro-dxf-d-u6-secure-non-opening-flat-roof-window-4884422.jpg?v=1790439371","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/fakro-dxf-d-u6-secure-non-opening-flat-roof-window","provider":"JJ Building Materials","version":"1.0","type":"link"}