The main advantage of the structures is durability and strength. Windows are easily operated for 60�¢??80 years, after which the metal can be handed over. Aluminum profile windows are completely safe from the environmental point of view - they do not contain substances that are harmful to health. In addition, the design is completely fireproof. Immunity to the influence of external factors is another plus of the structures. Products are not afraid of either corrosion or oxidation, high and low temperatures do not affect stability in any way. Unpretentious in leaving and easily give in to repair. The material has the ability to easily take the desired shape, which gives great scope for imagination and installation of non-standard windows.