Drill a slightly larger 1 32 hole than your bolt or screw size.
Install solar panel on roof rack.
Also be sure the stanchion flashing fits beneath the roof shingles to prevent leaks.
Fed up with your utility power company.
So are thousands of other diyers.
200w of solar panels on the roof rack.
Learn about diy solar.
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.
Have a helper press a piece of wood up from the inside of the shell to brace it against the pressure of the drill.
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.
Screw each stanchion through the roof and into a roof rafter.
On the roof lay out the locations of the stanchions that will support the solar panels.