For the roof

The sound insulation of the car’s roof increases both the noise reduction of the roof closure panel as well as the acoustic absorption of the closure panel. A car’s roof surface area is approximately 2.5 square metres, a significant surface that, if effectively isolated, will provide a considerable contribution to the general reduction of cabin noise.

Layer One Vibration insulation: Alumast Alpha M2
Layer Two Sound absorber: Violon VEL "Wave"
Layer Three Headlining sound absorber: Violon PT (Autofelt)

Alumast

The insulating (absorbing) butyle-rubber material.

Armature

The ultrahard insulating (absorbing) material.

Bitalym

The insulating (absorbing) butuminic material.

Carpet

The decorative cushioned material.

SGM-Izol

The combined sound absorber and insulating materials.

Violon BlackWell

Super effective viscoelastic soundproofing foam.

Violon PT, PTN

Sound absorber material. Synthetic felt.

Violon VEL

The viscoelastic absorption and anti-creak material.

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