Not to mentioin the fire accelerant that urethane becomes during a ffire!!!

Max

At 09:01 AM 6/14/2002 -0400, Arthur Sauerhaft wrote:
>Has anyone filled body panels or other parts with expanding foam? What were
>your results? Is there any substantial risk of moisture damage?
>thanks,
>-Arthur
>'82 Vanagon Diesel (the Beast)
>A BioDiesel project
>Happily puttering along with a 1.9NA
>----- Original Message -----
>From: "Bill Marshall" <Willolyn99@AOL.COM>
>To: <vanagon@GERRY.VANAGON.COM>
>Sent: Friday, June 14, 2002 8:18 AM
>Subject: Re: [FIX] Sound deadening with B-Quiet products?
>
>
> >        I think the basis for the pro sound dampeners, like B-quiet, is not
> > that they are asphalt.  It's because they have other mineral particles
>mixed
> > in with the asphalt.  Apparently, as I have read, the asphalt and the
> > particles are of different densities, so they vibrate at different rates.
> > This internal friction dissipates the energy of the vibration, so the
> > vibration stops.
> >        For those who have had success with roofing materials, the
>different
> > densities of metal and asphalt probably gave you some results.  I'll bet
>that
> > with the pro products you would find a higher degree of damping, maybe
>less
> > than you might notice.  I have often wondered if you mixed asphalt and
>sand,
> > and applied that, if it would do the same thing as the pro stuff.  Either
> > way, adding mass or more rigidity to the metal should help in some way.
> > Personally, I would love to fill up all panels with expanding foam and
>have a
> > rock-solid quiet ride.
> >
> > Bill Marshall
> > 85 GL Tiico
> > Bradenton FL