Is Installing Soundproofing Cotton in Cars Effective?

2 Answers
LeilaniRose
07/28/25 5:36pm
Installing soundproofing cotton in cars does have certain effects, as it can enhance the vehicle's sound insulation performance. The functions of car soundproofing cotton: During operation, cars generate noise due to mechanical movement. Soundproofing cotton can effectively mitigate this noise, providing drivers with a better driving environment and preventing normal driving from being affected by car noise. Another function of soundproofing cotton is heat insulation. It can reduce the heat transferred from the engine to the hood surface. Cars equipped with hood soundproofing cotton generally do not produce white fog during rainy days. In overcast or winter weather, the significant temperature difference between the external environment and the engine, combined with rain washing over the hood, accelerates paint oxidation. Soundproofing cotton can, to some extent, protect the hood's paint. Precautions for installing soundproofing: Ensure the soundproofing material is environmentally friendly and free from unpleasant odors; pay attention to the material's fire resistance to avoid the risk of spontaneous combustion; consider the material's waterproof and moisture-proof performance; choose a professional shop for installation.
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Walker
08/11/25 11:44pm
As a regular driver who frequently takes long trips, I find that installing sound insulation mats is indeed effective, especially for soundproofing the engine hood. Previously, when I pressed the accelerator harder on the highway, the engine noise was particularly loud, but after the installation, the engine sound has noticeably become much more muffled. However, the soundproofing effect for the doors and chassis is relatively limited; you can still hear tire noise when going over speed bumps. For older cars with more mileage, a full-car soundproofing treatment would show more significant results. Remember to choose materials with good flame retardancy to avoid damaging the wiring in the summer heat. Although it won't be as quiet as a luxury car, spending around a thousand yuan can indeed make the driving environment much more comfortable.
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