The solar panel mounts are bolted onto the rack so we can swap in new brackets if we want to upgrade our panels or remove them completely and have a cargo rack.
Fitting solar panels to roof rack.
On all bolts we used blue loctite.
Your installer would temporarily remove the tiles install the hooks underneath into the roof then put the tile back over the mount and rack the system from there.
I live the van life full time out.
In order to fit thicker 3 8 bolts into the 1 4 holes on the hightec solar panel we drilled out the hole with a 3 8 bit.
To secure the solar panels to the unistrut crossbars we used 3 8 bolts external tooth lock washers and nylon unistrut cone nuts.