Underlay with very good heat resistance, which perfectly levels the floor up to 4.0 mm. With high sound insulation. The base mat has a vapor barrier cover and an adhesive edge for better attachment – Material XPS / PET. Good solution for floors without underfloor heating. Product code: A079230 1 box = 5.5 m2 Thickness 5mm. Thermal resistance         0,18 m2K/W Reflected walking sound (RWS)  10% Impact sound reduction (IS)        22 dB Compressive strength (CS)          90 kPA Total weight: 1.006 kg Product measurements: 470.00 x 118.00 x 0.5 cm Package measurements: 118.00 x 118.00 x 39.00 cm