Aluminium windows are produced from aluminium profiles covered with a protection layer and vitrified with two or three glass packages. Aluminium windows can be anodized or painted by using powder paint in all colours of the RAL palette, they may be coated in various clear coats, by also imitating wood texture.Windows featuring a frame or sash made of aluminium is called an aluminium window. Like any other conventional wood-made window, aluminium windows feature a typical glass pane.