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Sound insulation 4D

Sound insulation 4D


Besides the sound insulation batts fitted in the body, there is also a special foam insulating material used under the rear door panes, in the boot lid, in front of the rear wheel housing and in the C pillar.

There is also sound insulation material in the lower portion of the A- and B-pillars.


The foam material is initially compressed to a batt and adapted to the space in which it is to be fitted. It is placed in the intended space during production and subsequently swells to foam during the surface treatment at approx. 180°C.