Use of foam as insulator?

[brianhaygood at gmail.com (Brian Haygood)]

I always figured that foaming things other than rocker panels was
probably OK, because the rocker panels might be the only ones that see
a significant amount of water.  Just a guess, really.  I have heard of
rusted out rocker panels due to foam.

On Nov 8, 2007 9:41 AM, Jim Ruffi <jimruffi@xxxxxxxxx> wrote:
> My suggestion would be a thorough coating of rubberized undercoating to the inside of those panels.  The rubber coated metal won't be exposed to moisture and you can still shoot the foam in for additional reduction.  The challenge will be getting a good spray into channels and such.
>
>
> >-----Original Message-----
> >From: Dan Bubb [mailto:jdbubb@xxxxxxxxxxx]
> >Sent: Thursday, November 08, 2007 10:26 AM
> >To: julie@xxxxxxxxxxxxxxxxxx; A Org, Scirocco
> >Subject: Re: Use of foam as insulator?
> >
> >
> >Yep. I think its primary purpose is to stiffen the chassis.
> >My main concern is if the foam will hold water and cause rust. Of
> >if it will simply maintain water between the foam and surrounding
> >sheet metal and cause rust.
> >Water does get into these areas so it sounds like an iffy idea to me.
> >Dan
> >
> >From: <julie@xxxxxxxxxxxxxxxxxx>
> >To: "A Org, Scirocco" <scirocco-l@xxxxxxxxxxxx>
> >Sent: Thursday, November 08, 2007 10:08 AM
> >Subject: Use of foam as insulator?
> >
> >
> >>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?
> >>
> >>
>
>
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