First of all, what is back-filling?
Backfilling is the process of replacing the soil that is removed during the construction procedures by certain types of materials and products. There are actually a lot of backfill materials that are utilized in this process – they are specified in their engineering properties and are chosen according to the requirement of the construction.
Is Expanded Polystyrene (EPS) a good back-filling material?
Actually, Yes. Because of the lightweight, insulated, and high compressive of EPS, many professionals using this material as a back-filling alternative.