This video shows how to install endwall flashing with standing seam panels.
How to install standing seam metal roof video.
This video shows how to install standing seam panels when hemming the eave and rake.
More metal roofing here.
This technique provides the cleanest look and shows no exposed fasteners.
If you will be installing a standing seam metal roof yourself it is best to buy materials from a local sheet metal roofing supplier as many suppliers have the capability to make your standing seam panels right on a job site.
This was a quick overview of the most common standing seam metal roof installation techniques and details.