If you're not convinced yet, check this out

Expanded polystyrene (EPS) boards are commonly used as core material for Exterior Insulation finishing system (EIFS). EIFS is a lightweight synthetic wall cladding that includes EPS insulation and thin synthetic coatings with fiber reinforcement. EPS insulation became user friendly material to all EIFS applicators as it is ;

A significant increase in EPS consumption of boards has been recorded during recent days, as EIFS saves energy bills by enhancing better thermal protection for the buildings. “STYRO” recently introduced Graypor – a silver grey insulation EPS board, which is more ideal for EIFS applicators as it excels in terms of Lamda value. “STYRO” has facility to supply both White & Grey EPS according to the customer’s demand.