The 3M™ Sound Deadening Pad is a self-adhesive, conformable sheet designed to replicate OEM soundproofing performance. Measuring 500 mm x 500 mm, it effectively suppresses road noise, vibrations, rattles, and squeaks to improve in-vehicle sound quality. Easy to cut and apply with simple tools, the pad features a diamond-embossed pattern for OEM compatibility and can be painted if desired. Ideal for use on floor pans, hoods, trunks, deck lids, and body panels.
3M™ Sound Deadening Pad, 500 mm x 500 mm – 08840
In stock
Self-adhesive sound deadening pad for reducing road noise, vibrations, and rattles in vehicles.
✅ Key Features
- Conformable pad reduces noise and vibration in multiple vehicle areas
- Self-adhesive design for easy installation without special tools
- Multi-purpose mat suppresses road noise, system vibrations, and rattles
- Cut to size for custom applications
- Center perforation for simple door panel installation










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