It is necessary to illuminate the advantages of aluminum windows, because it is an environmentally friendly material that is able to withstand large temperature fluctuations, the material is not deformed and is not subject to corrosion. The composition includes not only aluminum, but also different alloys of silicon, magnesium. The metal itself has sufficient lightness, but it is very durable, and can withstand the double -glazed windows of almost any weight. The life of this type of window is from 50 years. The material itself is sufficiently wear -resistant and is practically not subject to external negative factors.