60 years, since

Aluminum glazing of loggias has both advantages and disadvantages. The first one includes the durability of the system (such structures can last up to 60 years, since aluminum is not subject to corrosion, is not deformed when temperature changes and the effects of various natural factors): a relatively low weight that makes transportation and installation more significant and, as already mentioned, this is already mentioned It makes it possible to install in houses of the old building: such glazing protects against wind, snow, rain and dust, as well as from fire in the event of a firecracker or cupboard; sliding systems, namely, the aluminum glazing of loggias is more convenient than swinging; And, of course, the price. However, these systems have a very serious minus — they do not protect against the cold, so in winter the lock and operation of the thermometer is possible in winter in winter.