if it's pre-85 anf the hull number starts T it's solid glass

if it's after 85 and the hull number starts with an N then its foam cored

put a topic here, nacra 5.8 hulls wanted, and start googling nacra 5.8 hulls and for sale


list your location and also try to email all the nacra shops around you that you are in need of hulls or an old boat