oops!
Supreme Mariner
- Joined
- Oct 18, 2007
- Messages
- 12,932
Re: 1972 Glastron GT-160
yep....the above is correct.....
the glue is not water proof....or it would be good.
quick back ground for ya !
marine ply (the recomended material for boat building) is basicaly a really high end plywood. it has little or no voids in each layer of the plywood. It also has a few more plys than a standard plywood...each ply is counter rotated so the grain is in a different direction each layer. the glue is a water proof glue......the wood is also dryed to about 75%
a standard exterior grade plywood.....has just about all of these things, but a few less plys. it still has the water proof glue, and the plys are counter rotated. it will have some voids.....but we can live with these with proper fiberglass encapsulation.
if i was building a wooden boat......i would use a marine grade plywood,,,,,hands down..no exceptions. i would also use epoxy.
for what the majority of what we are doing...we dont need the extras that marine grade has to offer....so a standard grade exterior plywood will do.
marine grade is approximately twice the price as a ext grade ply, and a lot harder to find.
yep....the above is correct.....
the glue is not water proof....or it would be good.
quick back ground for ya !
marine ply (the recomended material for boat building) is basicaly a really high end plywood. it has little or no voids in each layer of the plywood. It also has a few more plys than a standard plywood...each ply is counter rotated so the grain is in a different direction each layer. the glue is a water proof glue......the wood is also dryed to about 75%
a standard exterior grade plywood.....has just about all of these things, but a few less plys. it still has the water proof glue, and the plys are counter rotated. it will have some voids.....but we can live with these with proper fiberglass encapsulation.
if i was building a wooden boat......i would use a marine grade plywood,,,,,hands down..no exceptions. i would also use epoxy.
for what the majority of what we are doing...we dont need the extras that marine grade has to offer....so a standard grade exterior plywood will do.
marine grade is approximately twice the price as a ext grade ply, and a lot harder to find.
