Balcony as an important piece of architecture of the fortress began its history in the Middle Ages, and for several centuries of use for people who suffered a sufficient number of changes as operational nature, and planning. If the first window became part of the architecture is in the empire of ancient Rome, the history of balcony construction begins its countdown to the whole of the middle of the XIII century. In those early days balcony served most often for military tasks. Although it is present and essential Architectural feature: the presence of the castle wall or castle gate-structures integrated slab of rock meant a major entrance to the settlement. Over time, construction of the balcony and appearance were greatly facilitated and the balcony has become a personal decoration of the castle, in what medieval ladies had the opportunity to hear the mournful chants of his knights. Finally, its balcony space was not subject to land costs, which also greatly contributed to the development of this element of architecture. Then it began to be used for the department to harangue to the people, but in modern times - primarily for storing all kinds of unwanted household rubbish. More recently, homeowners gradually began to refuse such a wasteful use of living space and are increasingly trying to make a full-fledged room's balcony: pick a frame, put the window. Begin equipping, in most cases, to finish with glass balconies. To do this, first and foremost it is desirable to buy the frame. In the old masters only frame structures made of wood. But cheapness of this material is almost the only one of his trump card: pulp susceptible to rotting, losing shape and has a low heat-preservation. Attractive alternative to the tree created an array developed in the early 90's metal, for example, a frame made of aluminum. These frames almost flawlessly save the house from the sounds from the street and drafts. Wear-resistant aluminum frames and have one more unquestionable advantage - high practicality in use. The next step - a window. Market supply of window profiles in today's time, rich enough, and can easily satisfy the needs of each individual customer. Above all, most houses has total sales of all is needed for glazing balconies attributes: plastic windows (PVC windows) and frames (wood, aluminum frame), door designs of various colors and shapes. Factory plastic windows used in the present than wood because of their simple and high-tech appearance and decent performance indicators. One of the most famous domestic manufacturers of PVC windows is a trade group Eksprof. Free consultation, fast installation by highly skilled professionals, a couple-year service warranty - with the industrial group "EXPROF" all done achievable.