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I've installed a standing seam metal roof as shown below: enter image description here

Any ideas how I can approach the seam terminations shown above?

Here's a top view detail of one standing seam termination, showing where I've cut back the edges at an angle, in order to soften the seam profile when seen from the ground: enter image description here

I've seen end caps such as this:

enter image description here
Image Source: BestMaterials.com

but perhaps there are better or less expensive solutions. Ideally I'd like a material that could match or complement the copper metal I've installed, rather than call attention to termination edges.

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    Did you have a company install that or did you? If a company installed it, what do they say? If you installed it, maybe you could check with local contractors and ask their advice. I'm afraid that there might not be (but i could be wrong) many on here that have a lot of expertise with standing seam roofing, especially when it comes to finishing curved edges. It just doesn't seem like a lot of folks would take that on as a do-it-yourself project.
    – RetiredATC
    Commented Dec 15, 2022 at 6:17
  • This very much seems like it's boiling down to a shopping question - "where do I find a similar product that's less expensive" - and that's off topic. Maybe "this product is too expensive, what's a DIY solution?" as the actual question would help.
    – FreeMan
    Commented Dec 15, 2022 at 13:53
  • Is the roof edge closest in the picture the highest edge? If so I would be more concerned about the rain water traveling on the underside of the roofing, getting to the sheathing and framing.
    – Jack
    Commented Dec 16, 2022 at 4:13
  • The correct way to do this, which I don't know if you still can, if to have the panels be 1" longer than the drip edge below and fold over the 1" overhand to hug the drip edge. Also, you're not supposed to have exposed fasteners. Finishing as I said would take care of your question. Hopefully you still have material left there to do that. Commented Mar 2, 2023 at 12:26

1 Answer 1

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The end caps you cite are for ribbed metal roof panels, not for standing seam.

On a standing seam roof, the high side is typically covered with high side eave trim. Using it would also cover your high-side exposed fasteners. Cut the HST horizontal leg every N inches and bend it to fit your arc. N is determined by your aesthetic preferences. Use sealant between the overlapping tabs and pop rivet them together to the (not yet installed) metal closures.

Since the climate in your photo looks quite dry and you haven't installed gable trim, you could just use a sealant. Check the install instructions for your panels and use the sealant they recommend for UV exposed areas (likely: acrylic. Butyl sealants are typical for non-UV exposed areas).

If the manufacturer of your panels doesn't specify, then go with the Metal Roof Installation Manual published by the Metal Construction Association.

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