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Originally Posted by Kurtis
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Sorry folks, I posted that from the phone.
This is not a tutorial per say. But I'd be happy to go into more detail on here.
I have to thank Ben Phanco for showing me the flat seam pattern. I've been working it in paper for about a year and this is the first one I have attempted in copper. I'm not new to architectural sheet metal or roofing, but I am new to this "complete" method of seaming.
Milo: although the trade is "dead" as you say here: I don't actually think there is much of an american precedent in the past for this type of seaming. Certainly the tin-nockers and cornice men of that day could have executed any of this work, it is not difficult if you are already versed in sheet metal and pattern making. However I don't see a lot of historical evidence of these techniques used in old roofs. Tin was laid with hand locked standing seams, however the corners were usually neatly folded and soldered. Since paint was being applied it was a sufficient technique. These roofs some of them last 80 to 100 years, so... good show!
I'm not actually debating that this is better than that old american method, I think it was very well done metalwork, and proper roofing. Using copper to execute the same old american style of standing seam intended for terneplate is a mistake though. Because of this I have adopted the swiss/german (as I have come to know it) style of standing seam. This is the concept of seaming through all penetrations and transitions. If it has a pitch, it can be seamed as I am learning.
I will scan some photos of the layout and post a proper tutorial. It's really easy and fun to try on a model too!