If you are a young guy that plans to keep the boat use what your
conscience dictates !
I used 3/4 marine plywood when the NoBones was re-habed
30 years ago... was at the age of 34 at the time..
To this day there are NO signs of any bad wood. Reason
lots of 5200 was used on every drilled hole. (except motor mount)
Now at the age of 64 re-habing a 1975 Hewes with wood...
Reason it only needs to last me maybe 10-15 years before to old
to fish and move around.. Let the next guy worry about it !!!