 Rear fender-trunk panel, Cavity wax? |
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| Dion |
 Jun 14 2022, 03:41 PM
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RN  Group: Members Posts: 2,766 Joined: 16-September 04 From: Audubon,PA Member No.: 2,766 Region Association: MidAtlantic Region 
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What do you guys think about cavity wax in the area where the hardened foam/urethane was?
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| bbrock |
Jun 21 2022, 05:47 PM
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#2
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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I'm a huge fan of 3M Cavity Wax Plus and use it in all internal cavities on top of epoxy and Eastwood Internal Frame coating. I don't know how well it will work in those rear quarters but I see no harm in adding it after any other protection you apply. Mine are epoxy primered and topped with bed liner. I don't remember whether I shot cavity wax in there but pretty sure I did. What would be the down side?
I'm actually not as critical about the factory foam as most. Sure, it fails, traps moisture, and promotes rust after 30-50 years but how long would those areas last without the treatment? Without knowing that, I can't judge whether the factory treatment was good or bad. |
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Posts in this topic
Dion Rear fender-trunk panel Jun 14 2022, 03:41 PM
mepstein What’s there now? Jun 14 2022, 04:04 PM Dion Nothing. Well, primer and chassis black paint. I b... Jun 14 2022, 04:37 PM bkrantz After I fought to remove all the stock foam, I did... Jun 14 2022, 08:06 PM Luke M On my brothers 6 conv. we dug out the foam too. Ha... Jun 15 2022, 03:45 PM worn
What do you guys think about cavity wax in the ar... Jun 15 2022, 04:57 PM Root_Werks I thought about using this on a few areas:
https:... Jun 17 2022, 11:21 AM friethmiller Like what could go wrong with foam and sealant? I... Jun 17 2022, 11:36 AM
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