There are two ways to attach solar panels to standing seam metal roofs:
A Solar PV thin laminate film is adhered inside the pan of a standing seam roof. It preforms better in high temperatures & partly shaded conditions. For more information on Solar PV visit atas.com.
The S-5 clamp attaches similar to a vise. It attaches to the roof panel seam and compresses over top of it by two screws. It then provides a flat area to mount brackets to.
Visit S-5!® website to find out more about their solar attachment options: http://www.s-5.com/solar/index.cfm