Sky High Car Audio 80Mil Sound Deadener License Plate

80mil Aluminum-Backed Sound Deadener – License Plate Kit

Kill plate rattle the right way with this 80 mil (0.080" / 2 mm) license plate-sized sound deadening sheet. It’s a simple, clean fix for buzzing and vibration that can ruin an otherwise solid system. Perfect for daily drivers and demo vehicles alike, this piece adds mass and damping exactly where you need it—right behind the plate.

Key Features

• Targeted Rattle Control

  • 80 mil nominal thickness (0.080" / 2 mm total) helps eliminate annoying license plate buzz and rear-end vibration.

• Heat + Sound Benefits

  • 6 mil aluminum layer supports both sound dampening and heat reduction in the area.

• Super Sticky Butyl Adhesive

  • Aluminum-backed, high-tack butyl bonds strong to properly prepped surfaces for long-lasting results.

• Clean, Custom Finish

  • Thick black foil with metallic white/silver logos for a sharp look if any edges are visible.

• Perfect Fit

  • Sheet size: exact size of a license plate for easy, no-trim installation.

• High Density

  • Just under 1 pound per square foot for effective damping without unnecessary bulk.

Installation Tips

For best results, thoroughly clean the mounting surface. Heat both the metal and the sound deadening sheet before application to improve flexibility and maximize adhesion. Press firmly across the entire piece to ensure full contact and a rattle-free finish.