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Stuff under the water line, through-hulls near the water line, and anything that may be exposed to significant amounts of fuel, like the diesel deck fill, should also not be bedded using Butyl, since butyl dissolves in petroleum products.
So what is the preferred sealant for through-hulls?
Last edited by Faster; 04-08-2010 at 09:09 AM.
Reason: fixed quote