any cheaper alternative then dynamat?

just like the title says is there any vibration reducer that is cheaper than dynamat?

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Not really - any deadner material that works as well - or actually sticks to the vehicle in hot weather - will be priced comparably with Dynamat - figure a bit more than $100 for a bit more than a square meter. 

Don't bother with roofing materials either - like Peel & Seal or whatever - this stuff doesn't stick to the car, definately doesn't stick in hot weather - and it doesn't really work in the first place.

Deadening a car properly is one of the most critical things you can do for your stereo.  $150 for a case of Dynamat delivered is hardly pricey considering what it will do for your vehicle if properly installed - nevermind that Dynamat isn't surpassed in vibration reduction and exceeds all competitors in adhesion under extreme heat.  Do this right and don't cheap out!

EDIT:  Woot! 1k posts!

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"I'm finished!" - Daniel Plainview

https://www.b-quiet.com/brownbread.html

But best bang for the buck, and something I've used successfully in my own car, comes from https://www.mcmaster.com/

Type 3427 into the search box at the top left.  On that page scroll down to sound and vibration damping sheets.  Choose mineral filled vinyl,  #9709T26.  Cost is currently at $24.85 for a 9 sq ft sheet.  Shipping is ground UPS and cost is WYSIWYG (several warehouses across the US).  If you prepare the metal the way you should do for any damping, it will stick for the long run.  I used a denatured alcohol cleaner and then preglued the metal surface with a quick swipe of 3M 77 spray glue.  Press and roll, press and roll.  Any wallpaper seam roller will do the rolling job for you just fine.

Oh, and this:  this company furnishes to businesses so start your own business when you fill out the application.  You'll need a name for it.

And here's a good study done on the subject of damping materials:  https://www.sounddeadenershowdown.com/

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

so i need to act as a business establishment to buy from these people?

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seth custom  has a nice ring to it.  It doesn't have to make sense. Mine was "Steve's custom" and I received the box the next day on my doorstep.  Shipping was billed to my card as it was stickered on the box.  No other charges, handling, none of that nonsense.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

i've only read good things about this product, on another forum i visit. https://www.raamaudio.com/cgi-bin/index.cgi?p=pr

there's also these guys. https://www.secondskinaudio.com/

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stevdart wrote:

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comes from https://www.mcmaster.com/

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That company rocks.  They are a great place to find that odd item you can't find anywhere else.

At work we sell Hushmat.  It doesn't require heat to apply like Dynamat and sticks really well.  It is also a little cheaper. 

I've never used his product, but the owner of Second Skin always seemed to be a nice guy.  I doubt you could go wrong with that choice.

colaroaster wrote:

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i've only read good things about this product, on another forum i visit. <A name="https://www.raamaudio.com/cgi-bin/index.cgi?p=pr">https://www.raamaudio.com/cgi-bin/index.cgi?p=pr</A>

there's also these guys. https://www.secondskinaudio.com/

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you mustard....I thought there was a bug on my screen

stevdart wrote:

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Type 3427 into the search box at the top left.  On that page scroll down to sound and vibration damping sheets.  Choose mineral filled vinyl,  #9709T26.  Cost is currently at $24.85 for a 9 sq ft sheet.  Shipping is ground UPS and cost is WYSIWYG (several warehouses across the US).  If you prepare the metal the way you should do for any damping, it will stick for the long run.  I used a denatured alcohol cleaner and then preglued the metal surface with a quick swipe of 3M 77 spray glue.  Press and roll, press and roll.  Any wallpaper seam roller will do the rolling job for you just fine.

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What about those temp rating stevdart?

I looked at that stuff when I was doing my car but the upper temp ratings on that page ~140degrees F - seems like it would be easily met/exceeded on a summer day in a parking lot. . .

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"I'm finished!" - Daniel Plainview

sedate wrote:

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EDIT: Woot! 1k posts!

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Amateur...

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It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

sedate wrote:

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What about those temp rating stevdart?

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Well, this is the low budget solution.  But I have had this stuff installed in my car since summer '04 and nothing has failed.  A little bit of an asphalt smell in the first hot months but nothing since then.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.