Professional parquet and SPC, LVT underlayment Roll 8,5m2 Dimensions: Roll width: approx. 1m Roll length: approx. 8.5m Thickness: approx. 2mm Weight per unit area: approx. 1.5 kg/m2 Product composition: Elastic insulating underlay made from polyurethane bonding material, mineral fillers and vegetable oils. It has aluminium composite foil cushioning on one side. (CS)-Compressive Strength (based on EN 826): approx. 220 kPa (IS)-Impact Sound Reduction (in accordance with DIN EN 101-40) under 7mm laminate flooring: up to 18 dB WS)-Reflected Walking Sound (in accordance with EPLF Norm WD 021029-5) under 7mm laminate flooring: approx. 22% (R)-Thermal Resistance (in accordance with EN 12 664): approx. 0.01m2 × K/W Underfloor heating: Suitable for installation on underfloor heating (FC)-Fire behaviour (in accordance with DIN EN 13 501): Bfl- s1 (SD)-Thermal Resistance (in accordance with DIN EN 12086): Sd ≥ 75m (CC)-Compressive Creep (based on DIN EN 1606): approx. 48 kPa