Use of foam as insulator?

[geordy at hotmail.com (Geordy Rostad)]

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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