The rail is called unistrut or superstrut you can buy them at Home Depot or Lowe’s in the electrical dept. the link is in one of my comments above.
All the bits of my build are linked on my build post at
The rail is called unistrut or superstrut you can buy them at Home Depot or Lowe’s in the electrical dept. the link is in one of my comments above.
All the bits of my build are linked on my build post at