FONOPOR® is a “CE” EN 13163 branded EPS-T panel with fire performance as per Euroclass “E”. FONOPOR® represents the single-product solution in compliance with standards governing acoustic and thermal insulation. FONOPOR® is made of expanded polystyrene added with graphite to ensure increased thermal insulation; the subsequent stretching procedure additionally makes FONOPOR® a product with reduced dynamic rigidity, an ideal characteristic in terms of floor sound insulation.