I bought a lovely old Yankee 30 some years ago that had some wet decks, especially around the stanchion bases. Using techniques I'd learned working in a boat yard (filling voids in cold molded new construction) I removed all the
hardware from the boat and scraped out all the soft, rotten
wood I could reach with dental tools and a vacuum cleaner. I then drilled holes in the deck (though not 1/4 inch) through the top layer of fiberglass. After letting the boat sit for several weeks under cover to, hopefully dry out, I simply injected penetrating
epoxy (I may have used Git Rot) using syringes that were made for injecting
epoxy. I did a sand/deck paint later with 2 part Perfection paint. I can tell you that the old girl ended up with strong decks. I sailed her pretty hard for about 9 years afterwards, including an International Yacht
Race with winds up to 40 knots. She was strong as an ox, and I felt very comfortable in that boat. When I gave up ocean
racing due to nerve damage in my neck, I
sold the boat for thousands more than I paid for it (which was not all that much), and the same
surveyor who had found the wet decks when I bought her was the same guy who surveyed the boat at
sale time. He found the decks SOLID and firm, and valued the same boat (he'd not even recognized it) at just about twice the
price he'd given it 9 years earlier. I'd use this new product (Inject a Deck) in a heartbeat if I didn't have the coin or time to do a 'proper' recore. On an older boat, I am not sure that is often cost effective, and I was quite satisfied with my
experiment on my boat. Worked for me, and I think Inject-a-Deck makes even more sense.....2 cents, please...