What are the precautions for car sound insulation?

1 Answers
EmmanuelMarie
07/29/25 6:57pm
Precautions for car sound insulation: 1. Install vibration-damping pads and moisture-proof sound blankets inside the cabin to reduce resonance caused by chassis components during high-speed driving and minimize road noise transmission from tire rotation. 2. Apply velvet sound-absorbing blankets on door trims and install door sealing strips to enhance airtightness, thereby reducing resonance and wind noise at high speeds. 3. Spray sound insulation materials on the front and rear wheel fenders to decrease abnormal sounds from shock absorbers during driving and suppress impact noises between tires, road surfaces, and metal panels. 4. Attach fireproof sound insulation blankets on the engine hood to absorb engine operation noise. Reinforce the stiffness below A, B, and C pillars and strengthen the rear seat side panels to improve the structural rigidity of the body and effectively reduce noise. 5. Adhere a layer of heat-insulating and soundproof cotton on the cabin ceiling to effectively block intense sunlight, prevent rapid temperature rise inside the cabin, and reduce resonance from roof panel vibrations.
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