This same material lines the inside of my doors on my `47 Plymouth. Almost like hardened clay that was spread on by hand. As some of mine has come off, I would like to know what it is myself. I was thinking about just replacing it with a modern sound barrier since it can't be seen without removing the door panels. David Maxwell David Van Houten wrote: > Fwrlkrs: > > On the interior of my 1960 Plymouth on the floorboard under the carpet > and padding there is some sort of "soundproofing" looking material, can > anyone tell me where to get this and excatly what it really is? It has a > very ruff surface to it even more so than rustproofing but is fairly > hard! > > Thanks for your help folks! > > David VH
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