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 |
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