High density elastic-resilient membrane, made of vulcanized and pressed granular rubber, D. 750 kg/m³ for insulation from the noise of footsteps. It is used under the screed.

According to the norm EN 12354, acoustic performances vary depending on the thickness; ΔLw=24dB is the minimum insulation of footstep sound.

Size of rolls: cm 100 x 1000
Available thicknesses: 5 mm