I called the manufacturer, Metal Sales, and the first person mentioned some kind of box, but had me leave a message with their back office. Still waiting for a call back. I suspect this is what they were talking about. Thank you for the video. Unfortunately, it looks like this works best when...
Having a detached garage built with 2nd story ADU built and plumbing put a hole in the roof directly in the middle of a rib of the newly placed standing seam metal roof. Contractor had one of his framers stick a boot on it, which leaked immediately next time it rained. Then he had the roofers do...