High performance airborne noise acoustic insulation consisting of a coupled panel composed by rubber granules and a plasterboard layer 20 mm thickness.
Pre-assembled 20 mm-thick acoustic insulation wall panels, made of a 7 mm-thick of rubber granules from End-of-Life Tyres (ELTs), assembled with a 12.5 mm-thick plasterboard.
The panels dimensions are 1.20 m width x 2.00 m length.

| Technical Characteristics | Mustwall 18B | |||
|---|---|---|---|---|
| Nominal Thickness (mm) | 18 | |||
| Panel Lenght (m) | 2 | |||
| Panel Width (m) | 1.2 | |||
| Wall acoustic performance Rw (dB) | ≥ 55 | |||
| False ceiling acoustic performance Rw (dB) | ≥ 62 | |||
| Superficial weight (kg/m²) | 14.50 | |||
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