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120 mil nominal thickness (.120 of an inch or 3 mm total thickness).

6 mil aluminum layer which helps with both sound dampening and heat reduction in your vehicle.
Super Sticky butyl rubber adhesive backed with aluminum.
Thick black foil with metallic blue/purple logos.

Sheet size: 23.5" x 33.5" folded in three for shipping,

Just under 1 pound per square foot.

Sold in variety packs from 16.5 square feet to our mega bulk pack at 99 square feet.

FOR BEST RESULTS: Always thoroughly clean surface and heat both metal and sound deadening material before installation.

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  • 5
    Sky high sound deadener

    Posted by Markus Gibson on Oct 5th 2019

    I’ve used many different brand of sound deadener and Sky High 120 mil not only worked the best but had the best appearance by far.

  • 5
    Sky high deadner

    Posted by Austin Kirk on Jul 25th 2019

    You pay for what you get and this is great quality deadner for a great price

  • 5
    SHCA Deadener

    Posted by Josh Cutrer on Jun 2nd 2019

    I drive a Jeep Wrangler, inherently noisy vehicle. I lined my entire trunk and all my doors and the difference this stuff made was huge. It knocked out a ton of the road noise. I have two Deaf Bonce 12’s on 3K and nothing rattles, nothing resonates, and the body panels barely flex. It’s very flexible and doesn’t need a heat gun to mold to shape at all and will stick to anything. Very good product. Highly recommended

  • 5
    Really Impressed With This Deadener

    Posted by Justin Mockenhaupt on Dec 5th 2018

    I'm really impressed with this deadener amazing product at an amazing price. As always fast shipping and great service from D4S.