Thank you for the quick reply guys.
The welds are mostly flush its just there is a step between the panels. I must spent the whole day trying to that section. I will report back.
I had a complete sill replaced and to aerosol body colour after. I'm having a hard time trying the apply the body filler on the weld seams especially in the door shuts where my applicator is too wide to uniformly spread the filler. Also some areas there is a slight step between the body and the...