Sound insulation mat for assembly under floating screed in the area of floor-level showers or throughout the bathroom. To reduce plumbing noise and provide impact noise insulation for renovations and new buildings. Made from recycled high-tensile rubber granules bound with PUR elastomer. Meets enhanced sound insulation requirements for installation noise level according to DIN 4109-5, issued 2020-08 and the highest sound insulation level SSt III according to VDI 4100, issued 2012-10 (sound test verification available on request). Form of delivery: 1.25 m x 1.25 m x 6 mm Fire class: B2 (DIN 4102) Thermal resistance: 0.05 (m²K)/W Compression at 15 t/m²: 0.6 mm Impact noise reduction: ΔLw= 20 dB(A) (for 50 mm screed)