The rear corner transitions from the roof to the side walls is a compound curve. The seams have been broken open due to probably someone stepping on the roof. Anyone aware of how, or who could repair this damage? The existing seams are not riveted, they seem to have been factory sealed.
We live in Northern California, so someone in this part of the country would be more feasible.
Thanks for your suggestions.
Kelly and Sheila

This will be a tricky job. The ideal method would be to duplicate the original layup. Remove the affected panel, clean, reassemble with new bonding adhesive, etc. Probably not practical. If you can find a sealer that will close the gap that might do in your climate.

Being an aluminum boat and airplane guy I would try rivets. Not as attractive but possible from one side. I would clean out the seam area best as possible, maybe use a hacksaw blade to remove old adhesive.

If possible buck the back side to get the seam as close as possible.

Drill holes starting at opposite ends of the seam. Put a Cleco clamp in each hole as you work your way to the center. These are widely used in aviation, basically a small spring clamp that fits through the hole. The clamps should get the seam tight as you work to the center.

Once the holes are drilled and the parts align well, I would remove all the clamps, open the seam slightly, squirt some epoxy in the seam and then reclamp.

Now to rivet. If the back side is open, you can't beat old fashioned aluminum rivets. Use air rivet hammer to set them. Available in several rivet head shapes.

Much easier are the so-called "pop" rivets. They install from one side. Since this is not structural any type will do, just be sure they are aluminum or stainless. CherryMax aviation rivets are very strong, but pricey.

Remove the Cleco clamps one at a time, replacing with rivets. Wipe off extra sealant and you're done.

There may be other ways to do this. Good luck!
This thread has a bunch of aluminum work being done.

https://www.barthmobile.com/eve...1087061/m/1841085203

I am located in Los Gatos CA. My son lives in Rockland and I do get there often.

I will be doing some needed body work on my Breakaway later this winter. I have some damage where the outside wall meets the roof. I will have to do this from the inside as there is no way to pull out the dents. I will post pictures when I start.

If you have pictures of your damage it would help us to get an idea of what may be required.

Thanks very much for the information. To you specifically Ed, I'll upload some existing photos within a day or two.

The worst condition (of the two) seems to have a very narrow, to non-existent overlap in the panels. I thought about having the compound curve panel duplicated at a shop and then rivet it over the existing followed by painting.

I'll look into your detailed solution first. Thanks.

Getting to the corners and roof radius will not be easy from the interior. The internal framing blocks access to the roof radius corner. Barth's drawing shows how the 90 deg. interior corner meets at the apex of the outside curve. look at fig. #8. Bart's patent

The corner of Regal/Breakaway were formed in a stamping then cut out. The Regency have a larger radius and have a double 45 deg. interior corner touching the exterior curve.