{"product_id":"fakro-dmf-d-u6-secure-manually-operated-flat-roof-window","title":"Fakro DMF-D U6 Secure Manually Operated Flat Roof Window","description":"\u003ch3\u003eFakro DMF-D U6 Secure Manually Operated Flat Roof Window\u003c\/h3\u003e\n\nThe \u003cstrong\u003eFakro DMF-D U6 Secure Manually Operated Flat Roof Window\u003c\/strong\u003e is a practical, high-performance solution for bringing natural daylight and fresh air into modern flat roof spaces. Combining manual ventilation with enhanced security and excellent thermal insulation, this roof window is well suited to both residential and commercial buildings where comfort, energy efficiency and security are important.\n\n\u003ch3\u003eHigh-Security Triple Glazing\u003c\/h3\u003e\n\nThe window features a \u003cstrong\u003eDU6 Secure triple-glazed unit\u003c\/strong\u003e with 6mm toughened external glass and laminated P4A anti-burglary internal glass. This robust glazing construction provides a strong level of protection while also helping to improve thermal insulation and overall durability.\n\n\u003ch3\u003eEasy Manual Ventilation\u003c\/h3\u003e\n\nThe manually operated design gives you straightforward control over airflow and ventilation. Simply open the window when fresh air is needed, making it a convenient option for rooms where natural ventilation is an important part of everyday comfort.\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, the Fakro DMF-D U6 Secure is designed to help minimise heat loss through the roof. Its strong insulating performance can contribute to a more comfortable indoor environment while supporting energy-efficient building performance.\n\n\u003ch3\u003eAcoustic Comfort\u003c\/h3\u003e\n\nThe advanced glazing provides sound reduction of up to \u003cstrong\u003e34dB (-1, -3)\u003c\/strong\u003e, helping to reduce external noise entering the room. This makes the window a useful choice for homes, offices and other spaces where a quieter indoor environment is preferred.\n\n\u003ch3\u003eDurable Insulated Construction\u003c\/h3\u003e\n\nThe Fakro DMF-D U6 Secure is supplied with a \u003cstrong\u003e150mm multi-chamber UPVC kerb upstand\u003c\/strong\u003e finished in RAL9010 white PVC. The sturdy construction provides structural stability while also supporting the window's thermal performance and long-term reliability.\n\n\u003ch3\u003eModern Architectural Finish\u003c\/h3\u003e\n\nThe window combines practical performance with a contemporary appearance. Its \u003cstrong\u003eRAL9005 black aluminium profiles\u003c\/strong\u003e and darkness-effect glazing edge create a sleek, modern finish that can complement a wide range of architectural styles.\n\n\u003ch3\u003eSuitable for Flat Roofs\u003c\/h3\u003e\n\nDesigned for flat roofs with pitches between \u003cstrong\u003e2° and 15°\u003c\/strong\u003e, the Fakro DMF-D U6 Secure offers flexibility across a variety of residential and commercial projects. Its manually operated design is particularly useful in spaces where both natural daylight and controlled ventilation are required.\n\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\n\nThe Fakro DMF-D U6 Secure Manually Operated Flat Roof Window is available in four sizes, giving you flexibility when selecting a suitable option for your roof layout and room:\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\nThe range includes both square and rectangular options, making the window suitable for different daylighting requirements across residential and commercial flat roof applications.\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\n\u003cul\u003e \u003cli\u003eManually operated design for convenient ventilation control\u003c\/li\u003e \u003cli\u003eDU6 Secure triple glazing for enhanced security and insulation\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\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 aluminium profiles\u003c\/li\u003e \u003cli\u003eDarkness-effect glazing edge for a contemporary appearance\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 DMF-D U6 Secure Flat Roof Window manually operated?\u003c\/h4\u003e\n\nYes. The \u003cstrong\u003eFakro DMF-D U6 Secure Manually Operated Flat Roof Window\u003c\/strong\u003e is designed for manual opening, allowing you to control ventilation and airflow whenever fresh air is required.\n\n\u003ch4\u003eWhat type of glazing is used in the Fakro DMF-D U6 Secure?\u003c\/h4\u003e\n\nThe window uses a \u003cstrong\u003eDU6 Secure triple-glazed unit\u003c\/strong\u003e featuring 6mm toughened external glass and laminated P4A anti-burglary internal glass. This combination provides enhanced security alongside strong thermal and acoustic performance.\n\n\u003ch4\u003eWhat sizes are available for the Fakro DMF-D U6 Secure?\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":55491127181654,"sku":"117076","price":1943.0,"currency_code":"GBP","in_stock":true},{"title":"900x1200mm","offer_id":55491127214422,"sku":"117077","price":2140.0,"currency_code":"GBP","in_stock":true},{"title":"1000x1000mm","offer_id":55491127247190,"sku":"117078","price":2082.0,"currency_code":"GBP","in_stock":true},{"title":"1200x1200mm","offer_id":55491127279958,"sku":"117079","price":2504.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/fakro-dmf-d-u6-secure-manually-operated-flat-roof-window-7520167.jpg?v=1790439372","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/fakro-dmf-d-u6-secure-manually-operated-flat-roof-window","provider":"JJ Building Materials","version":"1.0","type":"link"}