I was thinking along those lines too. Ken Quoting Armand Eshleman <aje1@xxxxxxxxxxxxxxx>: > Most cheap foam in a can won't expand/penetrate as far as one might think it > > will. It would have to > be injected into holes spaced relatively close together to ensure a complete > > fill. > > When, not if, moisture does get into the rocker area, the foam may absorb it > > depending on if it's an > open cell or closed cell foam and how moisture proof it is or isn't. My > understanding is that over long > periods of time almost all foams will absorb moisture when bulk moisture is > present. > > Once wet those foams tend to stay wet for a long time, especially in a semi > sealed environment like > an inner rocker cavity. Now you've introduced brine water into your rocker > that won't go away quickly. > > Keep the drain holes open in rockers, and everywhere else for that matter, > flush them out periodically > with fresh water, I'm guessing you'll be way better off. > > If this weren't true, wouldn't the auto manufacturers have done this some > time ago? > > just my two cents worth, you have the final say, > > Armand > > ----- Original Message ----- > From: "Ken Ames" <ameskg@xxxxxxxxx> > To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxxxxxxx> > Sent: Tuesday, October 25, 2011 3:16 PM > Subject: [AMC-list] Foam filled rocker panels > > > > Thinking of filling the rocker panels on my SX4 with that > > expanding-foam-in-a-can stuff to keep the saltwater out. > > Any ideas about why I shouldn't do this? > > > > Ken > > > > _______________________________________________ > > AMC-list mailing list > > AMC-list@xxxxxxxxxxxxxxxxx > > http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com > > _______________________________________________ > AMC-list mailing list > AMC-list@xxxxxxxxxxxxxxxxx > http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com > _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com