Glen-L has a method of fiberglassing over PVC foam they call "One-Off" PVC Foam Sandwich Core Construction and also a method they call "One-Off" Fiberglass Planking Construction using planking they sell in a roll. You can check it out at http://www.glen-l.com/ in Boatbuilding Methods.

> I've got one stripper under my belt now and am thinking about the next.
> Question: would it be possible to use styrofoam strips instead of wood.
> Build the exact same way but using foam strips for lightness and cost
> savings. If sandwiched between glass, would it be strong enough to hold
> the riggors of boating. TIA Paul