[69gmcc10]

Step 4-Use the sanding disks to smooth out the welds. Don’t use a grinder to smooth out the welds! It will take too much material too fast and create lots of heat, use coarse sanding disks and step down in grit to smooth the weld safely.

One thing I thought I would do different than others I read about is I started at the front of the door opening and at the bottom of the door opening to meet at the bend in the rail. I did this because some people said they experienced separation of the sheets of metal at the corner when they rounded the bend. Attacking the process this way I did not experience any separation at the bend in the rail.