[quote=MN3][quote]my mylar jib is looking pretty dried out and brittle from sun exposure.[/quote]
btw - mylar gets dried out and brittle from age too.
Especially older mylar sails that are over a decade old - regardless of use / exposure
modern mylar (still used as the outer laminated layer) is much more UV/time robust and doesn't flake off in chunks like older mylar does
My dacron jib (and technora main) are out in Tropical Sun during peak UV hours 125+ days a year and i don't have to replace my zippers (unless they are old zippers on old sails)
If your not leaving your boat stored mast up / jib on it, i wouldn't worry to much about a UV strip[/quote]
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