how to mount solar panel

I bought aluminum angle iron. 6 ft piece and cut into 3-4 inch pieces. Bolted to panels then screwed panels into the roof. I applied a healthy amount of dicor sealant under the mounts then on top once screwed in. Works perfectly no leaks. Im not interested in adjusting panels so they are hard mounted.

I’m for at least eight feet and tape.

VHB tape and/or aluminum angle.

If you have at least 6 mounting feet, then 3M #4950 doublesided tape would work well, as long as you cleaned that aluminum roof contact points properly.