Leaking Chain Plates - SailNet Community
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post #1 of 3 Old 06-22-2013 Thread Starter
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Cool Leaking Chain Plates

I have a Contessa 26. The Chain plates that the shrouds attach to go right through the deck and attach inside the cabin. At one time they were probably covered by rubber boots but those are long gone and the water gets in. I try to keep them cocked but nothing seems to help. Can anyone suggest anything to keep the water out?
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post #2 of 3 Old 06-22-2013
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Re: Leaking Chain Plates

If they have been leaking over time there may be invisible water damage in the deck core or chainplate itself. When I worked for JJTaylor the chainplates sat on a slightly raised area of the deck, obviously intended to avoid water run in.

You should support your rig, loosen the turnbuckles and remove the chainplates. Clean out entire insert area, rebed with butyl.

Some chainplates are mere stainless steel bar running through the deck, some have a welded in chainplate hood, some have a separate hood (aluminum, stainless) that drops down over the chainplate after it is bolted in place. Intention is to increase the sealing surface. If you don't have chainplate hoods they are easy to fabricate and bolt or screw down to compress more butyl. Check other boats in your area to get an idea of the methods used.

Do you know where the boat was built (Canada, UK) and what year?
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post #3 of 3 Old 06-22-2013
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Re: Leaking Chain Plates

I moved my chainplates outboard just for this reason. It didn't even require altering shroud length. IMO, there is no way to stop leakage from eventually getting into thru-deck plates. They simply move too much. Once water gets down there, if it is trapped in a wood-cored bulkhead, it is just a matter of time. There is also no good way to visually check for corrosion at deck level where they pass through.

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