Why Your Car Is Louder Than It Should Be And How to Actually Fix It
Not all sound-damping sheets for cars are built the same. The key variables are density, adhesion quality, and heat resistance. Cars get hot especially floor pans and areas near the engine bay. A car sound damping sheet that softens, peels, or loses adhesion in summer heat is worse than useless because now you’ve got loose material rattling around under your carpet.
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