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OverKill™ Closed Cell Foam 9 sq. ft - 24" x 54" CCF

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Product Description

Second Skin's Over Kill is a very high quality American made closed cell foam (CCF) product that offers a gasket type effect between two hard surfaces to prevent rattles and squeaks by decoupling the surfaces.

When applied on the back of upholstery it creates pressure that isolates rattle and squeaks, helping to improve the luxury car silence of any automobile. Over Kill 1/8" closed cell foam is great at keeping one material from touching another material, which prevents rattling and squeaks. As a closed cell foam it is water proof so there is no worry of holding in water. 

When applied inside thin doors (such as Porsche/Prius doors), on top of our Spectrum or Damplifier vibration dampers, Overkill decouples airborne sound waves that come from the door speakers and helps to reduce the echos inside the doors. 

Over Kill, and all closed cell foam products provide the least amount of noise reduction and are mainly only used to prevent hard materials from touching. 

Typical Places of Use:

  • Door Panels - Between the actual door panel and door frame to prevent rattling.
  • License Plates - Between the plate and the mount.
  • Decoupler - Between the Luxury Liner (MLV) and the top of Damplifier/Spectrum 
  • Door Skins - On top of a vibration damper for thin door skin vehicles like a Porsche or Prius.


Adhesives That Work With Over Kill:


Sheet size =  24" x 54" (9 sq. feet)
Thickness = 1/8" (.125") 
Heat Resistance =  165 Degrees F @ 2" Away from Heat Source

Over Kill and all Closed Cell Foams (CCF) are for interior use. Over Kill should not be used inside of the engine bay or near any heat source, it should be 2" away from any heat source.

Noise Reduction Uses...

Many people use closed cell foam materials like Overkill on top of vibration mats, but this does very little for noise reduction.

Unfortunately there are several companies out there marketing cheap closed cell foam as noise barriers, and we are left to combat poor marketing by educating our customers on how things really work.

Mass is key when reducing airborne noise, and closed cell foams simply do not have the mass that is required to effectively do the job.

For reducing airborne noise, Overkill will help some, but not nearly as much as our barrier product Luxury Liner and Luxury Liner Pro.

Mobile Audio

Applying a layer of Overkill inside the doors on top of your Damplifier or Spectrum vibration dampers is the easiest way to improve the acoustics from your door speakers.

First, Overkill will reduce the airborne sound waves that are able to penetrate the vibration damper. This reduction in unwanted noise will equate to in increase in the desired noise which is your music.

Overkill will also reduce the intensity of distortion causing reflections inside your vehicle. The less noise that is bouncing around the car walls, the louder and clearer your audio system will sound.

Thermal Insulation

Anything you place in front of the heat source will help reduce or slow down the heat. Overkill will help reduce heat to a small degree but is not specifically designed to do so. Any heat reduction noticed from Overkill is purely a side benefit, not an intended result.

For The ultimate in heat damping protection, use a combination of Damplifier Pro followed byLuxury Liner Pro


What is the difference between Overkill and Overkill Pro?
Overkill and Overkill Pro are both made from the same exact closed cell foam. The difference is in the total thickness and weight.

Overkill is 1/8 inch thick
Overkill Pro is 3/8 inch thick

The extra thickness and weight that comes with the Overkill Pro makes it superior to regular Overkill.


Sheet size =  24" x 54" (9 sq. feet)
Thickness = 1/8" (.125") 
Mass/Area = .13 lbs. per sq foot
Total weight per sheet = 1.17 lbs. per sheet 

* Requires contact spray adhesive (1 can per 4 sheets)

Product Videos

Second Skin - OverKill 01:27

Overkill™ is the thinnest and lightest noise filter on the market but it is also one of the strongest performers in the industry.Apply a single layer of Overkill™ on top of your Damplifier and Spectrum vibration damper to filter out specific sound waves interfere with your audio system clarity. Overkill will not only reduce resonant echoes from your sound system, but it will also help to eliminate unwanted ambient sounds that interfere with the tonal quality of your music.

  • Second Skin - ...
    Overkill™ is the thinnest and lightest noise filter on the mar...

Product Reviews

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  1. I will be ordering more! A+ 5 Star Review

    Posted by on 6th Nov 2012

    Hey Guys! I recently purchased Rattle Pad, Overkill, and Damplifier, and wanted to thank you for your help. I heard from my friends, that you guys were the best, and I always want to have the best for my car. There has been nothing but good reviews from anyone who has ever dealt with Second Skin Audio. The customer service is excellent. And the forum was very helpful in finding out great tips and tricks. Also, Anthony is a great guy! All the products worked wonders for my application. Damplifier was very easy to install, just peel off the back paper on stick it on. Damplifier is a no-brainer, and I will be ordering more! A+

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