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Old 05-15-2019, 01:26 AM   #1
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Rivets vs. Welding

If all I get is directed to other threads then great, but I haven't been able to find them so can you weld in body patches or only rivet and what kind of caulking should I use for the roof seems thanks, Michael
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Old 05-15-2019, 01:35 AM   #2
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If all I get is directed to other threads then great, but I haven't been able to find them so can you weld in body patches or only rivet and what kind of caulking should I use for the roof seems thanks, Michael
There probably are a number of such threads, but I do not know them.


You can weld body panel patches. It is a common thing to do in the bodywork trades. Riviting a "patch" would look funny. RIviting a replacement panel might be the way to repair a torn/crumpled panel.


Sealing roof seams ... use automotive seam sealer (Dicor?) or a sealing tape such as EternaBomd.
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Old 05-15-2019, 10:32 AM   #3
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If you aren't skilled at it, stay away from welding patches to flat sheet sections of the bus. You will almost certainly warp the hell out of it. I tried once. After destroying it I ended up cutting a bigger section out and riveting a patch on. The look doesn't bother me now that it's all uniformly painted.

Curved and formed sections are much more forgiving to weld since they have some rigidity.
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Old 05-15-2019, 11:18 PM   #4
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Rivets vs. Welding

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If all I get is directed to other threads then great, but I haven't been able to find them so can you weld in body patches or only rivet and what kind of caulking should I use for the roof seems thanks, Michael


I welded patches to the back side of my flasher holes, with nearly zero experience. I used a little Hobart 135 that I bought off Craigslist. Hopefully the roof doesnít fall off during a rainstorm. They turned out fine for me. A skilled welder would definitely scoff at my work, but after the bondo, sanding and paint...I doubt anyone can tell. I like that there wonít be any evidence of preexisting lights in each space. The flat surfaces look clean & tight! I have some photos posted on my build thread I think. If you are curious about how I did it, let me know and Iíd be happy to share my amateurish procedures!
There is some truth in the fellow that mentioned the warping. I put a little too much heat to the first patch, which created an ever so slight bow to it. You can only see it from a certain angle when the sun shining on it. My wife didnít notice so Iím in the clear. All the rest are straight. Also, if you chose to weld, be sure to cover your the windshield/windows below the weld work with something to protect from splatter.
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Old 05-15-2019, 11:38 PM   #5
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the seam sealer to use that most on here prefer is dynatron 550. about $15 a tube. standard 12oz caulking gun size.
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Old 05-17-2019, 12:19 PM   #6
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Thanks all for advise and information. I've been filling the floor holes from the seats with weld. I intend to patch over the light holes using a tedious series of tacks to avoid warping. We do have a pretty good crinkle where the roof rolls down to the back where someone backed into a tree or something. I've been debating trying to work it out with a slide hammer, cutting and patching, as well as ignoring it and painting over it. Rovobay thanks for the brand and tugboater I'd love to hear more about your process and how it worked out.
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Old 05-19-2019, 04:00 PM   #7
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The best thing for the roof is a Ames product made for metal roofs. You can get it online at AMES or at most ace hardware stores.
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