Improving the thermal properties of lightweight concrete exterior walls Natalia Goncharova, Zebuniso Ababakirova, Shokhrukh Davlyatov, Shodiljon Umarov and Sahiba Mirzababayeva E3S Web of Conf., 508 (2024) 05002 Published online: 05 April 2024 DOI: 10.1051/e3sconf/202450805002