Thank you all for your time and effort.
I am grateful for the knowledge I receive here.

generally speaking I do not tend to go against the plans instructions, How ever building your boat givs you some space to customize the boat to your own preferences and that is of value.

some times there are limitation <img src="http://www.catsailor.com/forums/images/graemlins/crazy.gif" alt="" />

I can not find marine grade ply wood in Israel
and importing is very expensive
how critical is that issue?
What can i expect if I use regular ply? if it is an option at all?

should I open a new thread for this?

Thanks,