X-FOAM^® LMF is an indigo blue thermal insulation board made of single-layer extruded polystyrene, with extrusion skin and 4 edges with male/female joint. The boards have nominal compressive strength values of ≥ 300 kPa and are 600 mm wide, 2800 mm long and 30 to 100 mm thick. X-FOAM^® LMF has a fire classification of EUROCLASS E according to European standard EN 13501-1.