The Real Reason Car Doors Rattle-And How a Damping Sheet Actually Fixes It
Pull the door card off any car past the five-year mark, and you’ll usually find gaps where damping material should sit but doesn’t. Manufacturers install just enough to pass basic noise testing, nothing more. That’s why a factory-fresh sedan can still buzz at 80 km/h once the door seals start wearing down. What a damping…