plywood boat hull
Plywood is used as a “sheet” material in the majority of plywood boats, including stitch-n-glue. plywood is also used in “cold-molded” construction and “multi-diagonal” planking. on each design page the method is listed under “hull” in characteristics. sheet plywood: this is the most common type of construction used by the home. A plywood boat can be beautiful if built, finished, and painted correctly. using cheap materials will result in poor performance and could be dangerous to your health, depending on which body of water you are using your boat, how far from land you are, and how well you sealed your hull! 4. use marine grade plywood (fir, meranti, okoume).. Plywood for boat building. when boat building with plywood always use the best quality you can afford. for hulls and decks, my advice is to always use marine grade. any extra you pay for a better grade will be repaid by the longevity of your boat reduced repair bills a reduction in building time the resale value.. 
plywood boat hull Hull strength comes from the plywood hull structure itself, and with proper design and construction, should prove more than adequate. q: what happens if i don't sheathe my plywood boat? a: if it is made with douglas fir ( a reasonably tough material), surface checking and wavy surfaces will soon occur even if painted.. Nice article, only i have built plywood boats up to 60 ft, using only quality untreated plywood, these boats are coast guard approved as commercial passenger use, just prep it by grinding the waxy outer layer and glue it up, my boats were built in the 80s and still alive today, running tours in hawaii, florida, virginia islands, bahamas.
