: it would be light. I think it would be stiff enough to work. The problem
: would be hitting rocks. But I always like makeing repairs and patches to
: my boat anyway. Gives it some character.
Generally don't hit rocks with the deck 
You can always double it on the bottom. My boat is all built with 4 oz. And I doubled it on the bottom under the waterline. Plenty strong. I also have a full roll (100 yards) of the stuff so that makes a difference
Bill H.
