What's that goo?

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grimreaper

grimreaper

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There is some gooey caulk like material on the inside of doors and panels that holds a sheet of plastic in place behind the interior panels. I have always just used gorilla snot, weatherstrip adhesive, or sometihg else I had on hand to re-affix the plastic in the past. What was the stuff used by the factory and can you still get it somewhere?
 
I used some stuff that came with my sun porch to seal the windows. Basically a thin butyl strip putty. Rope caulk that DMT sells for heater box resto is likely a closer replacement to original.
 
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RustyRatRod said:
It is called dum dum.
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Yep!

Keep some extra roles of this stuff in my beer fridge in the garage, it comes in handy and as long as it stays cold and very usable. This is extra from the Florida room I put on the back patio. You can roll/stretch it smaller if desired. I seem to remember the original stuff had some fiber in it, which is why I suggest the caulk Detroit Muscle sells for the heater box refurb is likely closer to original.

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Yeah, that's it. Car makers used it for all kinda stuff. From fillin holes, to stickin plastic on doors, you name it.
 
RustyRatRod said:
Yeah, that's it. Car makers used it for all kinda stuff. From fillin holes, to stickin plastic on doors, you name it.
Click to expand...
I've seen it holding on my taillight lenses on my 76 cordoba. They used to use it in the corners of the A engine intake manifold, too.
I've also seen it in two colors: grey and black.
 
Everything I've seen has always had that nylon cord and it tore like if you pull the cord, that separates everything.
 
I think I have some black stuff that I got from the guy that I got my Studebaker from.
 
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