I am also looking at doing a barrier coat. I have a Capri 30 and have pretty well decided that I am going to use the InterProtect system by Interlux.
I bought the boat three years ago knowing that she had blisterd a bit. She has been on the hard now for two years & is pertty well dried out. I am going to try to get it done yet this summer.
I am in Northern Michigan on the inland end of Lake Charlevoix which is fourteen miles long & opens into Lake Michigan. Where are you?