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Widebody: Welding or Panel Bonding?

Old 11-12-2018, 02:46 PM
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Blackskiies
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Exclamation Widebody: Welding or Panel Bonding?

I am having overfenders put on, so I cut the rear quarterpanels and now the tabs from the inner layer are folding out over the outer layer nicely.
So i see that a lot of people have it welded but this shop highly suggested that i use something called panel bond to reattach the two layers.
Has anyone done it this way before? The shop said they will still weld it for me if i insist, for $600, but if they are a body shop, wouldn't they be money hungry and want to weld it for me instead of suggesting panel bond which is something relatively inexpensive compared to having it welded? He told me specifically how to do and step by step and also where i can purchase it. I find this very mind boggling.

Is he being honest and helpful? or is there something suspicious going on? PLEASE HELP
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Old 11-12-2018, 03:03 PM
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Originally Posted by Blackskiies View Post
I am having overfenders put on, so I cut the rear quarterpanels and now the tabs from the inner layer are folding out over the outer layer nicely.
So i see that a lot of people have it welded but this shop highly suggested that i use something called panel bond to reattach the two layers.
Has anyone done it this way before? The shop said they will still weld it for me if i insist, for $600, but if they are a body shop, wouldn't they be money hungry and want to weld it for me instead of suggesting panel bond which is something relatively inexpensive compared to having it welded? He told me specifically how to do and step by step and also where i can purchase it. I find this very mind boggling.

Is he being honest and helpful? or is there something suspicious going on? PLEASE HELP
3M Panel Bond is used by a lot of pro shops and is a perfectly acceptable solution for what you're doing SO LONG AS it's applied properly with no gaps or scrape off for corrosion to get in. Also good to use a rust inhibitor (usually aerosol) between the panels prior to sealing. I've watched my body shop guys use it and it's legit. If you were attaching a full quarter panel, there are areas that REQUIRE welding (usually fore/aft/top attachment edges where connecting to body work) but between the liner and shell, not necessary.

Last edited by MicVelo; 11-12-2018 at 03:04 PM.
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Old 11-13-2018, 07:50 AM
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I also saw this video by siegestyle where he riveted the two layers together.

I was pretty set on panel bonding but should i rivet it instead?
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Old 11-13-2018, 07:59 AM
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Originally Posted by Blackskiies View Post
I also saw this video by siegestyle where he riveted the two layers together.
https://www.youtube.com/watch?v=eWTeJViwFus

I was pretty set on panel bonding but should i rivet it instead?
I wouldn't. That leaves gaps, however small, to allow in moisture and dirt. Pretty soon you'll need to replace metal work. The panel bond seals the gap (and edges( when done right. (Or so I was told by my body shop manager, when I first saw it being used and asked. I am NOT a body man by any stretch of the wild imagination.)

I also wouldn't want any extra metal pieces extruding that could possibly come in contact with the tire, especially with a big tire setup that close to the edge.

Last edited by MicVelo; 11-13-2018 at 08:00 AM.
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Old 11-16-2018, 06:26 AM
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Panel bonding seems legit.

Fell onto this blog and thought it might help some of yall (especially yall diy peeps) out there

Fellow Z brudda didn't weld, but used panel bond to hold it up:
https://conceptzperformance.com/blog...-installation/

Im utilizing the shortened daylight time i have to finish this widebody before the brutal winter comes, but i will try to take pics.

Stay safe bruddas
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Old 11-16-2018, 02:31 PM
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Subscribing...
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Old 11-19-2018, 09:46 AM
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Test Fit BattleAero rear overfenders

Slotted tabs #cleancuts
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