Screw each stanchion through the roof and into a roof rafter.
Install solar panel on roof rack.
On the roof lay out the locations of the stanchions that will support the solar panels.
200w of solar panels on the roof rack.
Drill a slightly larger 1 32 hole than your bolt or screw size.
It was tough to get the bolt through several layers of washer shell gasket rack without a little wiggle room.
Learn about diy solar.
Installing the solar panels is done by using unistrut cone connectors 1 4 inch or 3 8 inch to attach to the slotted steel l brackets.
Also be sure the stanchion flashing fits beneath the roof shingles to prevent leaks.
Fed up with your utility power company.
Both cone connector sizes are available at big box hardware stores.
Now find a bolt that can be screwed into the attachment point on the roof rack of your car and equip it with a big fat washer.