In the monograph performed quite an extensive analysis of the problems of construction of buildings from monolithic concrete, including the prospects for the construction of monolithic buildings in Uzbekistan. The work analyzes the methods of assessing the operational qualities of the external enclosing structures of buildings, in more detail the methods of assessing the thermal properties of the outer walls of residential buildings, special attention is paid to the moisture regime of the walls of buildings made of expanded clay concrete with antifreeze additives in a hot dry climate. The monograph is of interest to engineers and technicians of research, design, construction and installation organizations and firms, as well as undergraduates and applicants for academic degrees in construction specialties.