I recently recaulked my roof but since the stuff Winne uses doesn't seem to hold up for more than 1 year, I'm trying 3M Marine Fast Cure 4000UV (about $20/cartridge from West marine). We'll see how it's doing 6 months and a year from now. I rented two sets of scaffolds for a week for $60 -- WELL WORTH IT. Just move the MH and not the ladder, and do 8 feet at a time. The biggest part of the job is prepping. In my case, almost all of the old caulk pulled right out, not stuck to anything. In the places where it was stuck,it was to the fiberglass and not the aluminum awning rail. Then I attached a strip of medium grit emery cloth to one side of a plastic putty spreader and used it to scratch the aluminum to give it some "tooth". I then wrapped a rag soaked with 3M Adhesive Cleaner around a putty knife and cleaned both the fiberglass and the aluminum, and then blew it out with compressed air. Finally I caulked the seam. I know this sounds like a lot of work. But if it holds up for 3, 4,or more years, it will be worth it. If it doesn't hold up, I'll chalk it up to experience.
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2010 Winnebago Journey Express 34Y
2010 Freightliner XCS (mfd 9/'09)
'07 Saturn Vue V6
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