If you decide to use the loggia just like a balcony and spend leisure time there in the summer of the year, then you can use an aluminum profile for glazing, which cannot be significantly insulated, but just fierce the area from dust and garbage from the street from the street. But when, nevertheless, the option of installing a single -chamber or two -chamber double -glazed window with further insulation is chosen on the balcony, then the owner of such an apartment will receive a number of advantages: protection from temperature from+50 to -50 degrees, as well as from other weather conditions due to the full tightness of this type of window; protection from snow, rain and dust from the street; significantly increase sound insulation in comparison with wooden analogues; A variety of choice in color scheme, as well as the shape of such windows.