If the 'glass work was done in the 70's it was probably done on the origional bottom and 43 years is good service out of the planking and they should be replaced. A 1963 lapped hull should be on it third set of bottom planks at this age unless it had fantastic care. ![]() Lets hope the rabbit can be repaired and the other seams haven't suffered a like wise fate, but doen't be surprised if all the bottom planks need to be replaced. There will be loose fasteners and rot along the edge of the plank. The ugly part of it all is the 'glass should come off and the garboard seam looked at. If its a greenish blue then is polyester if its yellowish then its epoxy. Chip out a piece of the plastic sand the paint off, wipe some mineral spirits on it and look at its color. In the 70's epoxy use wasn't what it is today and I don't think it is, unless your grandfather was very progressive, which this repair doesn't hint at. Lap strake planking moves much more then most other ways of planking, this movement will rip open the bond on the best of materals, let alone water damaged wood. Placing a hard plastic over a semi rotten, surely very weakened garboard seam or any other lap strake seam is never a good idea. Garboard replace is a very common repair on these boats. When the garboard lap at the rabbit wears out it starts leaking and just gets worse untill she is refastened if possable or has the garboards replaced. I'm not sure when Grady started sealing their seams with polysufide, but 1963 is about the time when most manufactures of lap hulls started doing so. They move a lot in use and the rabbet hammers the the softer planking stock once the fasteners have pulled a touch. The garboard planks on these boats are the first to wear out. ![]() Reglassing the bottom isn't a cure and is probably one of the problems. Your Grady didn't come with a glassed bottom.
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