Start here for info re glass repair. http://www.gougeon.com/

You can fix what's broken pretty easily. A pro would end up costing you
more than the boat is worth. Don't bother trying to fix the thwart,
just relace it with a piece of wood.

Steve

Glen wrote:
New to the group - greetings to all!

I have an old clipper square stern canoe that is somewhat worse for
wear. I want to fix it myself, pretty sure that it is doable, as most of
the damage is cracked / missing fibreglass.