How to Deal with Wet Sound Insulation Cotton in Cars?

1 Answers
GabrielaMarie
07/29/25 7:12pm
If the sound insulation cotton in the car chassis gets wet, it needs to be replaced with new insulation cotton. The wetness of the insulation cotton is definitely caused by incomplete sealing of the vehicle body. Check if the sealing strips are aged, cracked, or incomplete, leading to water leakage due to poor sealing. Also, inspect whether the drainage holes on both sides of the sunroof are blocked. When water reaches a certain level, it will flow along the roof to the sealing strips and eventually onto the floor insulation cotton.
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