Re: 1978 SeaNymph 17'
Post some pictures and I'm sure someone will be able to help you. Is there any hull id tag? As far as transom, lots of help here from people that have used many processes. I went with 2 sheets of exterior grade plywoodd, screwed and glued and then couple of coats of epoxy. Some guys use marine, cost and availability are usually issues. You'll want to seal whatever you use. Spar varnish, epoxy, porch paint or a combo. Check some of the resto threads, if you haven't already, and you'll see different methods and the reasoning behind them. Welcome to iboats. Great bunch of people here with all kinds of help.