Choosing the correct type of joint for the application is critical for a neat and strong repair. Lap, Joggle, Plug or Butt. Teamed with the correct rust prevention, these can all be used to create a long-lasting repair.
When repairing just part of a panel where the new paint must blend into the existing paintwork, then the technique of roll edge masking or French masking is invaluable for ensuring that no visible join exists on the edge of the panel repair. This skill is employed by professional body shops when respraying both classic
Cleanliness is key when soldering. It’s good practice to clean the iron. Simply heat the iron and wipe it on a damp piece of tissue paper and you should see the tip of the iron become shiny again with a good coat of solder on it. If this doesn’t work, try letting it cool down