Further product features: Made in Germany Our products are „100 % Made in Germany“ and the specifications are tested according to German and European Standards, which are considered the most rigorous and accurate worldwide! Unique combination of product features of Hi-Tech Underlays The allround-acoustic-comfort-underlays 31 % Footfall Sound Reduction Tested to EPLF norm 021029-5 to Bark-Sone [%] 19 dB Impact Sound Reduction Tested according to DIN EN ISO 140-8 [dB] Free of emission Emission-Class: EC1+ (no emission) GEV-Emicode-classification Suitable for underfloor heating Fire Protection Bfl-s1 (flame resistant) According to European standard EN 13501-1 Mechanically very strong / high durability Compressive strength (CS)= 100 kPa ( 10 to/m²) According to EPLF CEN/TC 134,EN 826 + Annex A