Clean the window
Rotate the sash fully and secure by engaging the sash barrel bolt into the bushing at the bottom of the frame. This allows both hands to be free for cleaning. To rotate a top hung window, first lift the handle at the bottom, so it is pointing upwards (but do not let the window open from the bottom) then pull down on the ventilation bar at the top. The window should now rotate in the centre pivot function and can be secured with the barrel bolt in the same way as the centre pivot windows.
The air filter can be removed and washed in household detergent. Fully rotate and lock the window in cleaning position, then remove the filter from the filter rail. New filters are available from VELUX.
Maintenance of timber windows
The timber has received basic treatment, as well as the finished coating at the factory, and can be cleaned with household cleaner. It must receive further treatments, as follows:
- Pine - every four years, and whenever required.
- Paint - every seven years and whenever required.
- Windows exposed to strong heat, strong sunlight and/or high levels of humidity (e.g. in kitchens or bathrooms) must however receive treatment at least every two years.
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Remove surface treatment (varnish or paint). Ensure the surface is clean and dry and apply primer to the timber. When dry, apply a coat of water based acrylic/paint (always follow the manufacturer’s directions). Apply the same method to the affected areas if the varnish or paint is damaged.
Particularly in rooms with high levels of humidity, condensation can form on the inner pane of the window. This can be minimised by airing the room frequently and keeping the room at a constant temperature.
It is recommended than non-corrosive grease is applied once a year to all headlocks.
Cleaning the flashing
Leaves and other debris should be removed from the flashing once a year to allow rainwater to pass freely.