Hushmat (10501): Ultra Sound-Deadening Thermal Insulation

Reduce that aftermarket vibration, exhaust drone, and road noise that disrupts your ride and reduce the heat that comes from engines, headers, exhausts, and catalytic converters with one USA-made material: the lightweight HushMat Ultra.

When driving your vehicle, do you feel the heat coming through the firewall, floor, or tunnel? Does road noise and vibration prevent you from having a phone conversation?

HushMat Ultra is a pressure-sensitive, constrained-layer damper, which has excellent adhesion to many difficult-to-bond substrates such as oily cold-rolled steel, automotive E-coat, primers and finishes, and many plastics including polypropylene. The aluminum foil constraining layer and specially formulated viscoelastic polymer layer combine to give effective vibration damping over a wide temperature range. Ultra is provided in rectangular or square sheets and can be hand cut for special configurations.

HushMat Ultra is temperature resistant and maintains adhesion through all automotive bake cycles, including 288°C (550°F) over-bake conditions. This allows its application at any stage of the production cycle. It can be applied to both prepainted and top-coated metal surfaces. It is compatible with automotive coatings and will not contaminate spray operations. Its superior adhesion characteristics also provide excellent corrosion resistance.

  • Effectively treats low-frequency resonant noise from 0 to 1,000 Hz
  • Withstands ambient temperatures from -30 to +550 degrees Fahrenheit
  • Requires no surface cleaning / preparation or heat guns to install
  • No alcohol or acetone wash needed
  • No installation tools required
  • Trims with standard razor knife or household scissors
  • Self-adhesive peel and stick; no secondary glue; adhesion guaranteed


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Though this is not a paid review, this content has been produced by The AAM Group in support of manufacturers with whom it has a business relationship.

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