The white foam plastic material form solid beads of polystyrene is known expanded polystyrene .expanded polystyrene is a very light weight with a very low thermal conductivity low moisture absorption and excellent cushioning properties. Expanded polystyrene (EPS) beads are use as partial replacement to coarse aggregate. There are many advantages to be again foam the use of EPS in lightweight concrete expanded polystyrene concrete (also known as eps concrete or lightweight concrete) is from of concrete known for its lightweight concrete made from cement and expanded polystyrene. The strength of lightweight concrete using EPS beads are low for lower density mixture.