Re: replacing the interior cabin sides and shelf fabric?
Sailrite sells some very nice vinyl that has foam backing that can be glued in place. It has great reviews from DIY installers for ease of installation. I personally think the idea of Carpet is nasty as it tends to hold moisture, even foam backed vinyl can hold moisture. One boat I am looking at just has raw painted fiberglass, but it has a nice almost grass-cloth like texture to it. Filler may work, just make sure you use one that will not absorb moisture. I think painted finish is best, as it will stay clean and dry.