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> Factory Caulk or Sealer, What was used where
DennisV
post Oct 22 2024, 07:38 PM
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While addressing a couple rust areas, I ran into a hard white substance that was painted over body color. It appears to be squirted or brushed on pretty thick. It wasn't applied with much care. I was able to chip, wire brush, or sand it out. I'm curious:
  1. Are these factory applications?
  2. What's the modern equivalent?
Thanks.

This is surrounding the heater vent tubes in the engine compartment.
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This is covering a half-circle cut-out in the driver floorboard just ahead of the pedals.
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I'm guessing the same stuff was used in the rear trunk over the screws holding the muffler shield bracket.
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mepstein
post Oct 22 2024, 07:51 PM
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Seam sealer. Used all over the car. Lots of modern day equivalents.
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Superhawk996
post Oct 22 2024, 07:55 PM
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There is a brushable version too. Both sprayed and brushed were factory depending on location.

Wurth DBS 3500 flail wheel removes it effortlessly if you’re going to remove the stuff.
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Zeke
post Oct 22 2024, 10:57 PM
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There is a good polyurethane strictly for the seams. Wurth has it but so do a lot of body supplies. I used to use some stuff from the big box store but it was outlawed. The original PL brand. Hard to remove.
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DennisV
post Oct 23 2024, 01:17 PM
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QUOTE(Superhawk996 @ Oct 22 2024, 06:55 PM) *

There is a brushable version too. Both sprayed and brushed were factory depending on location.

Thanks for that lead. The product description sounds very appropriate for the application. I like there's brushable and gray options.

I do see it states "Permanently flexible". If that's the case, if you paint over, won't the paint crack?

I wonder if the original was also flexible...just not after 50 years. (IMG:style_emoticons/default/biggrin.gif)
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mepstein
post Oct 23 2024, 01:57 PM
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It is flexible but so is paint. Think about how all modern cars have plastic bumpers that flex a lot.
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Superhawk996
post Oct 23 2024, 05:57 PM
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Factory painted over it. Designed to be painted over.

No issues at all.

Don’t judge me on the hillbilly AC holes patch job. I have the proper Restoration Design panel but needed these gaping holes filled in short term for a cross country move. Didn’t have time to do it to my satisfaction. (IMG:style_emoticons/default/hissyfit.gif) Attached ImageAttached Image
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nivekdodge
post Oct 23 2024, 06:10 PM
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it says for primed and unprimed but i would surely primed before
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DennisV
post Jan 3 2025, 12:37 PM
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Here is what the Wurth Brushable Seam Sealer looks like when applied. It has a super thick consistency. Doesn't even need to be stirred. Was pretty easy to work down into the crevice using a brush.

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930cabman
post Jan 3 2025, 12:56 PM
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NAPA has a decent "brushable" product. A spray on will give you a closer to factory look
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technicalninja
post Jan 3 2025, 12:59 PM
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QUOTE(Superhawk996 @ Oct 23 2024, 05:57 PM) *

Factory painted over it. Designed to be painted over.

No issues at all.

Don’t judge me on the hillbilly AC holes patch job. I have the proper Restoration Design panel but needed these gaping holes filled in short term for a cross country move. Didn’t have time to do it to my satisfaction. (IMG:style_emoticons/default/hissyfit.gif) Attached ImageAttached Image


Ha! That's impressive!

His "half/ass hillbilly" job is one of the better repaired frunk floors I've seen...

That looks "permanent finished" to me!

It's NOT concours but that is nice!

Now, seam sealing a temporary job that you INTEND to replace is a bit on the "Mental" side of things...
(IMG:style_emoticons/default/ninja.gif)
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Superhawk996
post Jan 3 2025, 04:51 PM
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QUOTE(technicalninja @ Jan 3 2025, 02:59 PM) *


Now, seam sealing a temporary job that you INTEND to replace is a bit on the "Mental" side of things...
(IMG:style_emoticons/default/ninja.gif)

Had to be seam sealed to withstand the rainstorms it went through going cross country.

Now painting it that was certainly mental (IMG:style_emoticons/default/happy11.gif)
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