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I have a '69 Offshore V 18 that is leaking heavily. I just acquired if from an older couple who claim it never leaked. I am hoping to find he leak and repair it. I am expecting I will need to remove the floor and re-do. In your description, you said "Next, the water logged foam in the center well was replaced with closed cell pink board, all good foam was reused. PVC drainage pipe was added under the floor below the foam and above the stringers to add in drainage from the bow to the stern."
Do you have any pictures of that process. I'd like to see how you usd the PVC pipe.
Thanks,
Jim Walker