Thanks for the help! I'm copying the question and response from the "restoring old Merrimack canoes" from their website, http://merrimackcanoes.com/tips-for-restoring-older-merrimack-canoes.
"Q. How can I restore and reseal the interior ribs of my Merrimack?
A. The ribs in the interior of your canoe have been sealed in several coats of resin, and the floor of the canoe is covered by a fiberglass mat that is also sealed in resin. Early boats were built using polyester resin, later using vinylester resin.
If the ribs are gray and the resin finish is gone, they can be resealed. Sand the affected area until the wood is smooth, then mix and apply new resin following the manufacturers instructions. Small areas can be sanded and sealed with polyurethane if you wish."
As of now, this is the best info I have on what to do to fix up some of the wear and tear on the sole.
So it appears that this is a simple fiberglass hull, and the sole was in fact sealed in resin, then the floor covered in fiberglass, and then sealed in resin again. Again, this is for Merrimack's, and I am working under the assumption that they use the same methods and materials as Navarro.
Does that all sound about right?
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