The objective of this study is to improve the properties of structural foamed concretes by adding fine and coarse lightweight aggregate. The materials that used in this study were fly ash as fine material and various types of lightweight aggregate (Leca. porcelanite). The mechanical properties included fresh and hardened density. https://www.roneverhart.com/Clear-Acrylic-Boxes-7-25-X4-75-X1-12-Pack/