The reasons for glazing, not related to the climate, include, firstly, a lack of utility rooms, storage facilities for products and things, and with the incorrect settlement of apartments-and a lack of living space; secondly, the desire of residents to increase the duration of the use of premises during the year; Thirdly, the desire to isolate open rooms, and especially located in the first floors, from passers-by, and sometimes from the noise and dust of the main streets.