BS EN 13163 AMD3. Thermal insulation products for buildings. Factory made expanded polystyrene (EPS) products. Specification|Sheet materials, Compressive strength, Rolls, Tensile strength, Quality control, Testing, Construction materials, Thermal conductivity, Thermal resistance, Impact sound insulation, Thermal properties of materials, Marking, Thermoplastic polymers, Thermal insulation, Buildings, Conformity, Water absorption, Polystyrene, Insulating boards, Thermal insulating materials, Boards