When choosing a manufacturer, pay attention to the following criteria: type of profile, quality of fittings, thickness thickness, number of air chambers and certificates. Domestic profile manufacturers often use secondary raw materials, which itself does not make the material high -quality. Therefore, preference should be given to an imported profile. For example, German technologies have long proved their quality around the world. Remember, the reinforcing profile should be from galvanized steel at least 1.5 mm. The service life of the window will depend on this. At leisure, it will not be superfluous to learn more about Mitsubishi Pajero sport, now many are buying it.