Don't show anyone these photos.Sounds good. The aluminized body filler seems to work well in limiting the moisture. Costs more, and harder to get nice finish with it, but I can accept that!
Evercoat metal 2 metal is the one I've used.
Slicing - - I've moved up from sabre saw to cutting wheel.
inside rust gets Hammerite paint
quality fitting
you didnt see this, and the full weld weld looks just as pretty, not.
aluminized filler
primer and brown paint