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VELUX Security and locks

VELUX offers a range of products and accessories with the objective of deterring entrance through the roof window beyond the general safety level.

Key for opening restrictor (ZOZ 011)

If you have already an opening restrictor (ZOZ 010) installed on to your VELUX roof window, this special key will allow you to release the window for cleaning, and with the restrictor in place the window is still capable of being opened to provide additional ventilation. Key (ZOZ 011) for VELUX opening restrictor (ZOZ 010)

  • Key (ZOZ 011) for VELUX opening restrictor (ZOZ 010)


Security lock (ZOZ 012)

VELUX roof windows can easily be fitted with a security lock. When the safety device is locked, it is not possible to open the sash, but the ventilation function of the window will still work

  • Key operated window lock for GGL/GGU centre-pivot roof windows