Look to Legrand for the PV support that fits your roof. Legrand designed its Delta Strut™ and USS support system to be lightweight and easy to install on sensitive roofs, yet strong enough to withstand extreme snow and wind loads. These components and others can be combined for a custom PV panel support for your roof -- Legrand has a solution for you. More info or request quote: http://www.legrand.us/cablofil/delta-strut.aspx