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Velux Special Function Roof Windows

Velux can design windows for all types of buildings and all types of functions.

Whether you live near an airport, and want noise reduction; live in areas where windows are covered with ice and snow for longer periods; need smoke ventilation for health and safety or security features because there is easy access to your window, there's a window for you.


We also offers a series of specialised rooflights for uninhabited areas. Still can’t find the right window for your needs? Contact our sales team, they'll be happy to help you find the right window.

Burglary resistant roof windows

VELUX roof windows with extra security features are recommended if your roof is easily accessible. This window comes with a combination of toughened and laminated panes that when combined with a reinforced construction and extra locks ensures high-levels of security.

Super sound insulation

Do you live near a motorway, airport or other loud area? Choose the super sound insulation VELUX roof window to noise by up to 50% (when compared to a standard VELUX roof window).

Smoke ventilation

VELUX roof window with effective smoke ventilation. The smoke ventilation window is activated either automatically by a smoke sensor or manually with a break glass point. Natural ventilation for daily comfort is activated with the integrated switch in the control system or via an auxilliary wall switch.

Passive House roof window

The VELUX Passive House roof window is ideal for situations where Passive House-certified building components are required. 

Rooflights for uninhabited spaces


The purpose of rooflight GVT is to provide roof access for craftsmen. Also, it provides light and ventilation in the uninhabited attic.


The purpose of rooflight GVK is to provide light and ventilation in the uninhabited attic. Furthermore, GVK is suitable as craftsman's roof access.

Want to discuss in more detail?

If you would like to find out more details of the Velux roof windows or discuss purchasing please contact our sales team on:

Head Office:

Kilbane Street





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