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Old 02-20-2018, 05:05 PM   #1
rayce88
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Body panel adhesive

I'm replacing the outer roof panel on my 67 c10 ... As many may know the back seam is reversed so you can't weld it .... Has anyone used panel adhesive ? .... I thinking of using it to attach the whole roof panel without spot welding ... Any advice on this ?
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Old 02-20-2018, 07:50 PM   #2
Keith Seymore
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Re: Body panel adhesive

I used panel adhesive when I did the cab corners (and a place behind the rear wheel) on my squarebody.

You can read about it in my intro/build thread:

http://67-72chevytrucks.com/vboard/s...d.php?t=342926

starting on page 4

It's been 9 years so far and is holding up fine.

K

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Old 02-20-2018, 08:38 PM   #3
MARTINSR
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Re: Body panel adhesive

If used properly bonding that roof on in my opinion not only would "work" it would be the best way to do it!

To give you an idea of what this stuff can do, BMW has guidelines for bonding on frame rail splices! We are talking splicing a frame rail at the radiator support cutting the rail off and bonding the new piece on, yes, the bumper reinforcement bolts right to this part bonded on! Not a single weld, rivet, bolt, nothing, it's bonded!

Here is a little science test my 20 year old son did back when he was 10 years old., Hopefully you can see the photos being they are on Photoscumbucket and they play games with that. But check it out, it's interesting!

http://www.hotrodders.com/forum/weld...ct-116090.html

Here was a follow up on that test where we "peeled" the panels and it still was damn impressive!

http://www.hotrodders.com/forum/foll...vs-145782.html

Brian
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Old 02-20-2018, 08:46 PM   #4
MARTINSR
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Re: Body panel adhesive

I do have to say that in that patch above, as a rule that is a no-no as the seam will end up showing in the form of a "ghost line" when the bonding shrinks and expands at a different rate.

That being said, we just did a 2017 BMW M2 where we put a quarter on, following the BMW guidelines bonded the seams with a backing just like you will see in this video. We used the BMW metal filled "bondo" to finish it off just as they did in this video.

There are other metal fillers like Evercoats "Metal-2- Metal" http://www.evercoat.com/product-deta...ber/100889/us/

So you don't have to use the BMW product but that it is a guaranteed system.

Check it out, pretty wild! I would have wanted to slap someone suggesting this back just a few years ago. But there it is, one of the biggest automakers in the world known for some pretty high quality, glue that baby on! LOL


https://www.youtube.com/watch?v=YGC3dFCRgGM




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Old 02-20-2018, 10:55 PM   #5
rayce88
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Re: Body panel adhesive

Thanks guys .... I guess just the thought of bonding instead of welding is new to me ... I like the thought of no heat on the panel to warp ... I have my panel fitment nearly perfect ...
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Old 02-20-2018, 10:57 PM   #6
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Re: Body panel adhesive

Quote:
Originally Posted by MARTINSR View Post
I do have to say that in that patch above, as a rule that is a no-no as the seam will end up showing in the form of a "ghost line" when the bonding shrinks and expands at a different rate.
If you are commenting on my cab corners I chose the cut location so that it would be covered up by the adhesive molding (just in case).

K
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Old 02-20-2018, 11:13 PM   #7
MARTINSR
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Re: Body panel adhesive

Quote:
Originally Posted by Keith Seymore View Post
If you are commenting on my cab corners I chose the cut location so that it would be covered up by the adhesive molding (just in case).

K
Good thinking!


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Old 02-20-2018, 11:29 PM   #8
mongocanfly
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Re: Body panel adhesive

that was a good move Keith. ...

Martin its funny....last week I was researching panel adhesive...google pulled up your experiment. ..I read it all....i was trying to figure out the best way to mount my overhead radio enclosure in my IH...the factory one has screws in the panel above the mirror but it runs back across the inner roof like a overhead console...but with no inner roof to fasten to glueing may be the only option. ..
it will look like this...
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Old 02-21-2018, 09:55 AM   #9
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Re: Body panel adhesive

I inherited this GTX from another "shop" after they welded in new quarters crooked and sagging ,Nothing from the doors back lined up even somewhat close I had to cut the rear side of the wheel opening of the quarter panel and down the front edge of the quarter to get it back to salvageable condition and have decent gaps . Panel bond saved it in a few spots . I have no idea what they were thinking shooting color before finishing all the body first
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Old 02-21-2018, 02:11 PM   #10
MP&C
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Re: Body panel adhesive

Adhesives on patches require the use of a lapped seam, which results in ghost lines. Following video shows the results.. Any guess where the seam is?


https://www.youtube.com/watch?v=OGhFEfVqxb0
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Old 02-21-2018, 02:29 PM   #11
MARTINSR
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Re: Body panel adhesive

Quote:
Originally Posted by MP&C View Post
Adhesives on patches require the use of a lapped seam, which results in ghost lines. Following video shows the results.. Any guess where the seam is?


https://www.youtube.com/watch?v=OGhFEfVqxb0
I have to assume that using the metal filler as BMW does that wouldn't happen.

Brian
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1948 Chevy pickup
Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats!
Bought with paper route money in 1973 when I was 15.

"Fan of most anything that moves human beings"
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Old 02-21-2018, 09:05 PM   #12
hugger6933
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Re: Body panel adhesive

Just be careful when using the panel bonding stuff this time of year. If the temp in your shop gets cold the bond could fail, Lots of guys are probably like me and only heat their shop when in it. I had a roof that I put on aC2500 like a 00 maybe a 01 model and the bond failed. I did everything by the book except having the warm temp in the shop.I just wanted to throw that out so [knowing it might be cold] that don't make a problem
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Old 02-22-2018, 11:23 AM   #13
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Re: Body panel adhesive

Quote:
Originally Posted by hugger6933 View Post
Just be careful when using the panel bonding stuff this time of year. If the temp in your shop gets cold the bond could fail, Lots of guys are probably like me and only heat their shop when in it. I had a roof that I put on aC2500 like a 00 maybe a 01 model and the bond failed. I did everything by the book except having the warm temp in the shop.I just wanted to throw that out so [knowing it might be cold] that don't make a problem
VERY GOOD POINT! !!! !!!!!

Brian
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Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats!
Bought with paper route money in 1973 when I was 15.

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Old 02-23-2018, 03:06 PM   #14
richards72chevy
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Re: Body panel adhesive

I've thought about using this stuff for attaching an out rocker panel.
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Old 02-24-2018, 04:41 PM   #15
MARTINSR
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Re: Body panel adhesive

That is a serious structure part, but damn, so is that BMW frame! I say if done properly it's fine.

Brian
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Bought with paper route money in 1973 when I was 15.

"Fan of most anything that moves human beings"
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