Use of foam as insulator?

[julie at menloparkrandd.com (julie@xxxxxxxxxxxxxxxxxx)]

Ok I checked EBAY and found some stuff. I figure 50 SFt should do the under carpet area.
Money is a bit of a problem as I still have several hundred in paint, rubber and headliner. 
I should have costed this out a LOT better :)

>-----Original Message-----
>From: Dan Bubb [mailto:jdbubb@xxxxxxxxxxx]
>Sent: Friday, November 9, 2007 05:34 PM
>To: julie@xxxxxxxxxxxxxxxxxx
>Cc: ''A Org, Scirocco''
>Subject: Re: Use of foam as insulator?
>
>Bed liner is ah.......bed liner.
>It's not designed to suppress noise. It's designed to protect the bed from 
>nicks and scratches.
>From what I've seen Duplicolor bed liner is only a slightly thick paint. 
>Nowhere thick enough to change the resonate frequency of the sheet metal.
>
>If you want noise suppression look for something designed to do that.
>You might also try www.mcmaster.com
>
>From: <julie@xxxxxxxxxxxxxxxxxx>
>Sent: Friday, November 09, 2007 4:54 PM
>Subject: Re: Use of foam as insulator?
>
>
>> Ouch! That much?
>> google dynacolors truck bed liner. I figure it might be worth it for 50$ 
>> for a gallon. At least it will be water proofed :)
>>
>>>-----Original Message-----
>>>From: Geordy Rostad [mailto:geordy@xxxxxxxxxxx]
>>>Sent: Friday, November 9, 2007 12:45 PM
>>>To: julie@xxxxxxxxxxxxxxxxxx, 'David Utley', ''Mark F.''
>>>Cc: ''A Org, Scirocco''
>>>Subject: Re: Use of foam as insulator?
>>>
>>>Are you talking about the truck bed liner in a spray can or something 
>>>else?
>>>The stuff in the spray can isn't thick and won't block any noise at all.
>>>(Ask me how I know that). If you have the car all apart anyways, there is
>>>no excuse not to dynamat the crap out of it. It will sound like a Mercedes
>>>inside when you are done. It's expensive but you should be able to overdo
>>>the car for $200-$300.
>>>
>>>----- Original Message ----- 
>>>From: <julie@xxxxxxxxxxxxxxxxxx>
>>>To: "David Utley" <fahrvergnugen@xxxxxxx>; "'Mark F.'" 
>>><mk1mark@xxxxxxxxx>;
>>><julie@xxxxxxxxxxxxxxxxxx>
>>>Cc: "'A Org, Scirocco'" <scirocco-l@xxxxxxxxxxxx>
>>>Sent: Friday, November 09, 2007 3:04 AM
>>>Subject: Re: Use of foam as insulator?
>>>
>>>
>>>> Thanks all. That was good info.
>>>> Vic's really noisy inside the car, out side is ok, but WOOF. tromp on it
>>>> and you cant hear a thing.
>>>> The floors will be done with truck bed liner from duplicolor, I was
>>>> thinking that while the guts were out of the doors, it would be a good
>>>> time for a bit of that stuff in there as well.
>>>> The foam I'd use in the rear Passsarea behind the covers and near the
>>>> trunk.
>>>> If any one has a link to the type of padding the MKI uses as underlay 
>>>> I'd
>>>> love to see it.
>>>>
>>>>>-----Original Message-----
>>>>>From: David Utley [mailto:fahrvergnugen@xxxxxxx]
>>>>>Sent: Thursday, November 8, 2007 11:58 PM
>>>>>To: ''Mark F.'', julie@xxxxxxxxxxxxxxxxxx
>>>>>Cc: ''A Org, Scirocco''
>>>>>Subject: RE: Use of foam as insulator?
>>>>>
>>>>>
>>>>>
>>>>>-----Original Message-----
>>>>>From: Mark F. [mailto:mk1mark@xxxxxxxxx]
>>>>>Sent: Thursday, November 08, 2007 11:34 AM
>>>>>To: julie@xxxxxxxxxxxxxxxxxx
>>>>>Cc: A Org, Scirocco
>>>>>Subject: Re: Use of foam as insulator?
>>>>>
>>>>>On Nov 8, 2007 10:08 AM, <julie@xxxxxxxxxxxxxxxxxx> wrote:
>>>>>> I remember a long time ago a discussion of using the expanding foam to
>>>>>fill the voids in a car to reduce sound and heat.
>>>>>>
>>>>>> Any body remember this?
>>>>>
>>>>>
>>>>>Utley was looking into this, but I don't think he followed through.
>>>>>David, do you still have the info? I was considering using it on my
>>>>>75...
>>>>>
>>>>>If it's a closed cell foam (won't absorb water), and has an adhesive
>>>>>property (seals completely against 'walls'), I don't think water
>>>>>should be an issue...
>>>>>
>>>>>Later,
>>>>>
>>>>>Mark.
>>>>>
>>>>>
>>>>>Here are two threads on Vortex about it, the bottom one has a bit more
>>>>>info.
>>>>>
>>>>>http://forums.vwvortex.com/zerothread?id=1681937
>>>>>
>>>>>http://forums.vwvortex.com/zerothread?id=1101373
>>>>>
>>>>>
>>>>>I have not followed-through, but need to look into it more. Pulled the
>>>>>dash
>>>>>out of the pickup, goddamn that thing is noisy. I need to do something
>>>>>more
>>>>>than just dynamat, or it's cheaper sibling, b-quiet.com.
>>>>>
>>>>>As Mark mentioned, water won't be an issue if you used closed-cell foam,
>>>>>as
>>>>>in what they use in making boats. The only way water would get in there
>>>>>then would be if you regularly forded a body of water.
>>>>>
>>>>>As a precaution, do NOT use the foam in a can. It is NOT closed cell, 
>>>>>and
>>>>>it WILL cause your car to rust. Someone did not heed my warning, and 
>>>>>their
>>>>>truck is now full of rusted dirt...
>>>>>
>>>>>
>>>>>I would love to treat the truck, I have two cavities in mind. The one
>>>>>directly behind the dash, and the other at the drivers/passengers feet.
>>>>>However, money is as tight as it has been since I have joined the list, 
>>>>>so
>>>>>I
>>>>>am not sure when I can act as guinea pig. :(
>>>>>
>>>>>David
>>>>>
>>>>>
>>>>
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>>
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