Join Date: Oct 2006
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Closed cell foam is great if it's going to be exposed, but on the interior of my boat, I use regular foam. I had my cushions remade last year by Foamorder.com. They cut the foam and sew the cushions. Because its a la carte ordering , though, you get to select which foam you want! Head over to their site and select "Foam Mattress" form the side bar. It will show you the different types of foam out there. I used DuraFlex medium and firm, 3 inches thick for a mattress or seatback, 4 inches thick for a seat cushion.
We combat mold with an air dryer, $60 West Marine. Works great. Cabin stays dry all (Seattle) winter and no mildew smells.
If you're going to be getting them wet a lot, from racing, I'd recommend an high density outdoor foam, like the foams used for (good) patio furniture. Water passes through them and they dry fairly quickly (much faster that conventional foam).
"Sattar" Cal 25, #256