EPS stands for Expanded Polystyrene — a lightweight, rigid foam material often used in building construction. You’ve probably seen EPS as coolroom panelling, ceiling or wall insulation, wall sheeting or cladding, internal sandwich panels for factories, or external cladding. EPS is considered a combustible material and if exposed to fire or high heat, it can ignite and spread quickly. Because of this, buildings with a high percentage of EPS are considered higher risk by insure