Paul,
I have a 23 year old Isuzu Trooper II that I use as a daily driver which
still has the original paint and so far, no major rust. The Willamette
valley in Oregon is fairly salt free, but a very moist environment. The
body on it was sealed with some sort of elastomeric seam sealer which
has held up very well over the years. It's still tough and flexible. I
recently sealed my TR3 tub with urethane seam sealer. In combination
with a good paint job, I expect it to hold up for many years.
If you have a mechanically sound joint without huge gaps, I would go
with a urethane sealer like one of the 3M products.
Mike
> I have thought about leaving this overlapping area of the two panels
> exposed to the elements and therefore do nothing to them. However, it seems
> this seam area needs some protection. I have thought about squeezing it full
> of 3M Seam Sealer which drys fairly hard, but is also suppose to remain
> 'stretchy'. I know it's good stuff, but, I have trouble thinking it will
> last 25 or more years.
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