Worried about Rusting on the Insides of your chassis tube!? You should live so long :rolleyes:
Ziebart was horrid crap, Ugly and overpriced. It 'required' a Semi annual redo to keep it's Warranty active.. as if.

some blurb on the matter.

http://www.finishing.com/111/01.shtml

The bit about nitrogen is interesting


Bob

If the tubing is sealed it will not rust - oxidation process (rust) need moisture and most of all oxygen to happens...