Corevo Silver is a thermal insulation board made of extruded polystyrene foam, grey color, without extrusion skin, with and without grooves and with 4 straight edges. The boards declare values of compressive strength ≥ 300 kPa. They are available in width 600 mm and length 1000 mm, while the thickness varies from 20 to 100 mm. Corevo Silver has a fire classification EUROCLASS E according to the European standard EN 13501- 1.