To extend the durability your roof windows it is recommended to carry out the maintenance of the window in the following way: Wash the window with clean water or water containing a mild detergent to remove dust, do not use liquids containing ammonia. During painting it is important not to cover seals. Renovation of the coatings and lacquers under normal conditions should be performed every two to five years depending on usage conditions. Every few years hinges should be lubricated with grease.
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