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Has anyone replaced the wood in a fiberglass boat? My question is this, if I am re-glassing the wood before I put it in the boat then is it mandatory I use marine grade wood or can I use treated? Also where does a person buy new panels and locker locks and that type of stuff? And finally, I want to put a permanent gas tank in up front, has anyone ever done this, not sure where to put the fill up nozzle? Any help with this project would be greatly appreciated.
Dan, with regards to replacing the wood. My old tuffy almost has the exact same look as your boat. Basically what we did was cut away the side panels and tried keeping the fiber glass in tact as well as we could.
We then used just regular plywood, you could use treated wood, but it will be much more expensive. It may be a little more tricky because you have those rod lockers or whatever they are. But the more you can save the better.
The reason we didn't use treated is because it will never be exposed. We rebuilt the frame and put the old fiber glass shell back on top of it, then covered up any holes that we had before so the wood will never get exposed. We also had to refill all the foam after that was all finished as well.
We also just used extra fiber glass stuff to re attach all the old fiber glass, otherwise you will end up getting huge headaches with how much work you would have to do by completely re-doing all of the fiber glass.
Just did this last spring. I highly recommend the marine grade plywood for everything. If your trying to keep it cheap I believe a coat of resin with fiberglass sheeting will seal it, but if you miss a spot or your fiberglass gets punctured you may regret it in the future.
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Here is a link to my project, if anything helps. Also I'm glad to answer any questions. My boat is built like a rock and even though it was a pain in the ass I'm glad I put the money and time into it.
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Also as far as the gas tank goes…
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Mounts flush to your floor and allows you to access your tank.
Or you can go with something like this
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"MuskyDan" said:
My question is this, if I am re-glassing the wood before I put it in the boat then is it mandatory I use marine grade wood or can I use treated?
Here's some info from a couple years ago that I posted when rebuilding my decks. Though you're going to glass everything the info concerning the plywood still applies.
– PT doesn't mean it is waterproof it only means the treatment has been "pressed" into the wood.
– (most important) the PT that is made now isn't made using arsenic and the chemicals used on PT will cause corrosion in aluminum – that's bad! I was able to find some arsenic PT but it was 3/4" which was too thick.
Marine plywood is graded "marine plywood" for a few reasons:
– It is made with a waterproof glue when laminated
– There aren't voids in the lamination (voids trap water and promote rot)
– The type of wood is also better quality than pine and flexes better
Cons/misconceptions:
– Marine plywood is NOT waterproof but is resistant, it is only waterproof when glassed.
– Marine plywood is expensive ($80-150/sheet) and very hard to find since most/all is imported.
Marine plywood is best/intended for building wood boats.
Exterior grade plywood is built like marine plywood without voids in the laminations (or very few) and uses waterproof glue. This comes in many grades with the most common being CDX (this is what you'll find at places like Home Depot – it is inexpensive). CDX isn't a good option because there will be voids in the laminations and the faces of the wood may have knots that aren't filled. BC grade is somewhat common but is usually pine and fir is what you want for a boat deck. AB or AC exterior fir plywood is the best for building boat decks and some people use AB to build wood boats. While it is not waterproof it is very resistant to the elements and when properly sealed it will last a long time. AB and AC isn't carried at many places because they don't sell much of it.
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