- Sound insulation in low thicknesses
- Easy installation
- Use directly on old flooring
4,5 mm acoustic insulation rolls, made of SBR (Stirene Butadiene Rubber) fibres and granules rubber, compacted using a latex binder in a hot process. A black synthetic non woven anti-stretch backing is applied on one side. The dimensions of the roll are: 10 m lenght, 104 cm width including 4 cm side border for rolls overlapping during installation. The total mass surface is 1,00 kg/m². Dynamic stiffness s‘ 33 and impact sound pressure level attenuation 20 dB.