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VELUX Fixed non-opening Flat Roof Window – More natural light into your home
The VELUX Flat Roof CFU non-opening base can be used with Curved glass or Flat glass VELUX covers to ensure you select the perfect style for your room.


Durable materials
Extremely resistant to damage from hail, ice pellets and other extreme weather conditions.


The flat roof dome features a white polyurethane frame with wooden core and a choice double-glazed or triple glazing, low-energy inner pane. This combination maintains your indoor comfort by keeping heat in during cold weather. 


Fixed operation
The VELUX flat roof CFU window cannot be opened and is perfect for adding natural daylight to a space that doesn’t need additional ventilation. The glazing unit has a laminated inner pane for additional safety.


How to achieve a successful installation 
Correct installation is essential for the success of your project. Therefore, we have made every effort to help you by creating easy-to-use installation guides. If you cannot find the information your are looking for, please contact info@theroofwindowstore.co.uk 


Click here to download your installation guide.


If you want to prolong the longevity of your VELUX roof window or simply give it a touch up, this is the place to look.
VELUX offers a range of products that will come in handy if you want to replace an air filter, repair a scratch, lubricate hinges, paint your window and give it a new and shiny look.