| Great advice gentlemen! Thank you. I ordered some Bed-it. To bevel under the chain plates what did you use? Some kind of wood rasp or file? Can I use one of my countersinks I use on wood to countersink the bolt or screw holes on the deck to rebed them with a little of the butyl tape? Thanks again. Janet Sent from my iPhone Janet. Agree with Nathan's process. In my case tried various sealers without success mostly because would not stick to stainless chainplates. Over 10 years ago I pulled the chainplates, cleaned them, ensured no degraded balsa in deck or plywood, beveled the deck top side, installed chainplates, put in butyl so filled bevel and proud of deck, installed trim on top of butyl. No leaks since John Read Legacy Ill 1982 C&C 34 Noank, CT Janet,
I used bed-it butyl tape https://bed-it.com/ on my chain plates when I did a refit in 2000. So far no leaks! If your boat is set up like my 1981 C&C 34 it is best if you can remove the stays entirely so the plate comes all the way up. Should be able to use a halyard to the toe rail as a temporary stay. I cut a quarter inch angle into the fiberglass around the chain plate to ensure that the bed-it would have room to make a seal. Put a nice rolled bead in there and then put tape on the bottom of the plate before screwing it back down.
I generally use bed-it for everything above the waterline by the way. Seems to work pretty well even around self tapping screws and is much easier to both use and to replace than 3M products or other sealants. Does take a bit more time to seep out so you have to tighten screws progressively and cut away the excess a few times over successive weeks.
Nathan
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Nathan Post
+1 (781) 605-8671
On Mon, Nov 10, 2025 at 8:58 PM Janet Schilling via CnC-List < [email protected]> wrote: What kind of sealant/caulk is recommended? It was suggested that the horizontal deck plate could be unscrewed and lifted enough off the deck to add sealant of some kind underneath, then screw back down.
Thanks.
BTW, we removed the old caulk around all the port lites and redid with Dow 795 and tightened all the screws. It was a success! Not perfect, but no leaks.
Janet
Sent from my iPhone
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November is the time of the year when my Internet bills come in. It's also the
time when you can show your appreciation of this list and the C&C Photo Album.
Please help by making a small contribution using PayPal at:
https://www.paypal.com/paypalme/stumurray All contributions are greatly
appreciated.
