Yesterday, I put my '85 CD26 in the water for the season and after checking for any leaking from the newly greased Spartan seacocks (always done annually), I noticed a small amount of leaking coming from between the seacock base and the plywood underneath. With the close supervision of the well experienced yard owner, I gently tightened the seacock bolts and thus stopped the leak. I realize that I will have to eventually replace the wood and rebuild the thru-hull to its original integrity. My first question is....
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will the tightening of the bolts hold off the leaking for this season or should I pull the boat now and rebuild everything before starting the season?
My second question is....
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The yard owner suggested that in rebuilding the thru-hull, that I saturate the new plywood with an epoxy and this should prevent the leaking from penetrating the wood and causing the wood to rot from the wet-dry cycle. Has anyone done this and also what type of epoxy is recommended? Also, what type of sealant should I use between the hull and the wood and the wood and the seacock?
This is all new to me so any guidance/suggestions will be appreciated.