Corevo K is a thermal insulation board made of extruded polystyrene foam, black color, without extrusion skin, with or without grooves and with 4 straight edges. The boards declare values of compressive strength ≥ 200 kPa or ≥ 250 kPa depending on the thickness. The width is 1250 mm, the length 3055 mm, while the thickness varies from 6 to 65 mm. Corevo K has a fire classification EUROCLASS E according to the European standard EN 13501- 1.