The spacer bar are used to product double-glazed windows and carries out some important functions. Firstly, it is a creation of the set distance between glasses i in the double-glazed window. The spacer bar is the primary framework for the double-glazed window, and also it serves as a capacity where the special granules for air drainage are to be between glasses and prevents “weeping” of the glasses in the double-glazed window.
Now the aluminum spacer bars are the most popular and demanded. They are made hollow inside, with a special diffuse perforation. Setting is carried out by means of corner connections.