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Acoustic Damping Foam

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Acoustic Sound Damping Foam

Brand:|Model: ADF-8|Part # 260-318
Specially designed acoustic foam to be used in automotive applications. Will not sponge-up water, and resists extreme temperatures. Can be used in place of open cell foam and fiberglass to reduce trunk and door panel resonance.
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Part # 260-318
  • ADF can be used in place of fiberglass to damp door panel, trunk, dash, and speaker enclosure
  • Can be used inside door panels to stop resonance problems caused by lock and window assembly parts
  • Can be easily cut to size, shaped to panels and parts
  • Can be used to absorb reflective frequencies when loudspeakers are mounted in door panels
  • Made of waterproof closed cell material that will not soak up water or moisture
  • Made in USA!

Product Details

Acoustic Sound Damping Foam

Specially designed acoustic foam to be used in automotive applications. Will not sponge-up water, and resists extreme temperatures. Can be used in place of open cell foam and fiberglass to reduce trunk and door panel resonance. Also helps alleviate buzzes produced by subwoofers. Sold in 18" W x 36" L x 1/4" thick non-adhesive sheets.

Acoustic Sound Damping Foam
  • BrandVertek/XTC
  • ModelADF-8
  • Part Number260-318
  • UPC844632037405
  • Product CategorySound Damping
  • Unit of MeasureEA
  • Product Rating
    (6 Reviews)
  • Weight0.33 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Acoustic Sound Damping Foam
Acoustic Sound Damping Foam is rated 3.1667 out of 5 by 6.
Rated 4 out of 5 by from Depends on the applicationIt's great for the right applications, ie inside a car door where it won't soak up water/moisture and rot.I'm using it between an (infinite) baffle and the rear deck to create and airtight seal and eliminate buzzing/vibrations and it works great. Don't expect a soft pliable product, this is closed cell foam.
Date published: 2012-01-24
Rated 5 out of 5 by from Good panel dampenerAs Parts Express describes it, the product "Can be used in place of open cell foam and fiberglass to reduce trunk and door panel resonance", and this product is indeed effective as a panel dampener. I've used it with good results in automotive interiors and around ductwork in HVAC systems. I've seen negative reviews from people trying to use the product as an absorber of acoustical sound waves, but as "closed cell" foam product, it is not effective in that application. Used in the appropriate application it works effectively.
Date published: 2011-08-11
Rated 2 out of 5 by from Not worth the effortThis stuff isn't very useful at all. It has a hard, almost reflective surface so its sound-absorbing properties are nearly nonexistent. It would be mostly useful in quieting down a noisy sheet-metal panel, probably. It's very stiff, so it wants to remain in its curved state. There's no adhesive on it, but you'd almost have to screw it down anyway because of the stiffness and the curl. Frankly, I don't understand why they sell it. I bought it as an experiment and can't think of a single application I have where it would be of much use. I had no problems with packing or shipping. It came rolled-up in a plastic bag.
Date published: 2011-04-17
Rated 3 out of 5 by from This is not soft foamThis is a very stiff foam, not soft compressable foam.
Date published: 2008-12-17
Rated 2 out of 5 by from Waste of shipping moneyThis product is cut off a calendered roll, stuffed in a plastic bag, with a cheap paper label and shipped out. You would be better to go to and buy their sculpting foam. They have 1/8" and 1/4", which this is, for less than 1/4 the price.
Date published: 2008-01-27
Rated 3 out of 5 by from Probably works but...Be aware there is no adhesive backing to this foam so there is no way to stick it to anything without adding some sort of adhesive. I was going to use it in my doors, but I went with the Dynamat-like adhesive dampening sheets instead because they are much easier to work with.
Date published: 2007-11-04
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Product Q&A

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Acoustic Sound Damping Foam

Does this have an adhesive or sticky side to it?  Or is it just plain foam?

Asked by: Jim355
This foam is non backed so it will have to be glued or stapled in place.
Answered by: MattP
Date published: 2015-03-13

Would this product be acceptable to replace the foam under the engine cover on a VW Jetta TDI? The material would be in contact with the valve cover.

Asked by: TLS Jetta
I would not recommend this for high temperature applications.
Answered by: MattP
Date published: 2014-10-21

is it good for sub speakers

Asked by: soundmancarlton
I would not recommend this for a subwoofer enclosure. It is meant for car doors and places that will have rattles and resonance problems. Standard egg crate type foam or Acousta Stuf will be a better choice for a subwoofer enclosure.
Answered by: MattP
Date published: 2014-03-24
  • 2016-02-08T07:20CST
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