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968 Rear Hatch Trim Epoxy?

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Old 12-13-2017, 03:33 PM
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Adam R Lausch
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Default 968 Rear Hatch Trim Epoxy?

Hi all,

Here's some more drama with the 944/968 rear hatch. I'm replacing the right side trim piece and rubber seal. I'm aware of the weird fasteners and the little plates that face the outside of the glass. Can anyone help me with what type of epoxy Porsche used, or the best aftermarket brand/type to use? I could use a super strong mix I suppose. If it doesn't let go for another 20 years, I'd be ok with that! Has anybody replaced one, or have any tips, I would really appreciate it.

Thanks! Adam
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Old 12-13-2017, 04:06 PM
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Jay Wellwood
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There are a few threads on the 924/928/944/968 sub-board.

Last edited by Jay Wellwood; 12-13-2017 at 04:10 PM. Reason: Add link
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Old 01-09-2018, 03:32 AM
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Adam R Lausch
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Default Update to side spoiler/trim

Thanks man, I wasn't talking about the actual seal to the rear window, but that was a great thread. You're a submariner? Retired? The side piece for the spoiler came from Germany with the sealant/epoxy/RTV (still don't know what it really is) already on there with the little plates/threads installed as well. I couldn't believe it. Everything was going fine until I think I over-tightened the top two slotted nuts. The sealant came off the top mounting plates. Unbelievable. Anyway, I was able to carefully sand the sealant off, and re apply JB Weld. I clamped the top two plates with c-clamps and let it set for 24 hours. It worked great and it looks great.
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Old 01-10-2018, 09:37 AM
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Jay Wellwood
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n/p - glad you enjoyed the read though.

Yeah, I'm a Sub-Vet...in 6 years so no retirement...but a lot of great experience.
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Old 01-10-2018, 10:26 AM
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Paul Waterloo
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Jay-

Can you point me to your thread where you show your new interior door cards? I was looking for it recently, but couldn't find it for the life of me.

Thanks!

From another sub vet (I was a nuke electrician, can't remember what you were).
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Old 01-10-2018, 11:35 AM
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Old 01-12-2018, 01:21 AM
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Originally Posted by Adam R Lausch View Post
Hi all,
Here's some more drama with the 944/968 rear hatch. I'm replacing the right side trim piece and rubber seal. I'm aware of the weird fasteners and the little plates that face the outside of the glass. Can anyone help me with what type of epoxy Porsche used, or the best aftermarket brand/type to use? I could use a super strong mix.........
Thanks! Adam
Adam,

The old 20th Century urethanes used by Porsche in the 1980s aren't comparable to the advanced polymers used today.

There are 3 products that will work properly to repair, hold, and hold, and hold.....

Dow U-428, Dow U-428, and Dow U-428.

https://goo.gl/images/N4hbKM

no uncertainty. no ambiguity. this is what the pro's use.

THE STUFF is so powerful you will be afraid.....

it will hold, then outlive you, your children, and your children's children.

'

Last edited by odurandina; 01-12-2018 at 03:22 AM.
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Old 01-14-2018, 04:14 PM
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Nathan J.
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The sealing material on my rear hatch is de-laminating all around. There appear to be pockets of air where the seal has pulled away, and I am wondering if anyone has had a similar symptom? I am tempted to try and "shoot" some new sealant into the voids to reestablish a full and complete seal, and am curious if anyone has tried to do the same? The hatch is still water-tight, but I am considering whether action now will be easier to augment the seal which is obviously failing slowly over time, or wait until it reaches a point where if does leak?
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