Sound Proofing / Insulation: Description and Operation
Insulation
Insulation is used as a sound-deadener to reduce exterior road and powertrain noises from the interior of the vehicle. Mastic insulators are also used as insulation. Insulation is installed:
- under the roof panel.
- above and below the instrument panel.
- on the cowl sides.
- over the front and rear floor areas.
- in the B-pillar and C-pillar sections.