Hi Randy Although you are not replacing wet/rotted core it should be a similar process. You will need to build up the under layer of glass and then probably marine plywood for strength followed by top layers of cloth and fairing coats. Likely epoxy for the extra strength rather than polyester. That said I am not certain of the 70’s C&Cs had cored decks but I think they did.
Here is a site showing the process for replacing core. If you are comfortable with drywall repair then you should be good for this. It is in a non skid area which makes it easier to blend in as well Recoring around Stanchion Bases<https://hoytsailing.com/J27Web/Projects/recore/recore.htm> Hope this helps Mike Hoyt Persistence Halifax www.hoytsailing.com From: Randy Stafford via CnC-List <[email protected]> Sent: Thursday, June 4, 2026 2:12 AM To: Stus-List <[email protected]> Cc: Randy Stafford <[email protected]> Subject: Stus-List Foredeck Repair Hello Stu’s List, Tonight my 30 MK I suffered damage to her foredeck from a collision with another boat prior to a race. The circumstances matter not. What does matter is that my starboard aft bow pulpit leg punched through the foredeck, and Hello Stu’s List, Tonight my 30 MK I suffered damage to her foredeck from a collision with another boat prior to a race. The circumstances matter not. What does matter is that my starboard aft bow pulpit leg punched through the foredeck, and my starboard forward bow pulpit leg pulled up some foredeck fiberglass a bit. I’ve uploaded a couple of photos of the damage at https://drive.google.com/drive/folders/1g9wWiaZg4-1YO3jiFJ9hoOuv1fUTpvX8?usp=sharing<https://urldefense.com/v3/__https:/drive.google.com/drive/folders/1g9wWiaZg4-1YO3jiFJ9hoOuv1fUTpvX8?usp=sharing__;!!CmXilJi6!Yu2ycroDNQdq5aeqlMP-dJwmDxl3eGD7FLSqn-QsKtsrGx36KfFhj-THYhKdCI6i-rvmRzUPGElBtOIVP89UNg$>. To be honest I was surprised how thin the foredeck was in that region. I am comfortable doing fiberglass work, but I’ve never done a repair job like this before. Can anybody advise me on the procedure for this repair, or point me to a resource? Many thanks in advance. Best Regards, Randy Stafford SV Grenadine C&C 30 MK I #79 Ken Caryl, CO
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