If I have to re-apply a product every 6 months and it costs more than a product that's cheaper and can last 35 years, its junk. Now, when they named eternabond, they named it right. That will bond to anything for an eternity!
As far as weight goes, her max gcvw is 6200. I do plan on putting 3500# axels under her when I can and not everything will be site built components but most. Rv things are not something you can get at a Lowes of home depot and tend to be more expensive and just look cheap. How can I post pictures here from a phone?