Any of the urethane glues would work. Gorilla glue comes to mind. Dampen the wood, spread the glue and clamp.Let it cure 3-4 haours. Over night would be better.
Well, I ended up using Elmer’s Ultimate glue. Basing my decision on the fact that it is 100% waterproof. I guess we will see how it turned out.
If anyone is actually interested, I’ll keep posting photos on here of the process of it being built. I’m the director, balsa master George Robinson is the craftsman.
That said, for others attempting this process, I would recommend West System epoxy. Boat epoxy. Sold at west marine or similar shops. I’ve had the polyurethane glues fail on glue ups with exotics, i realize this is not an exotic so the glue should stick OK. Just seems like a lot of work to use anything but the BEST adhesive available.
My background is building hardwood staircases and noticed something in the glue up that might be missed by someone attempting this without a background in wood work. Alternating between above and below on your bar clamp placement has a surprising effect on ‘crowning’ of the entire glue up. I realize most (and maybe all) of you knew that, but if that tip could help one person it was worth typing.
I have a planer coming in the next several days and will be scouring these pages for tips and tricks to get my first board (regular old foam) to come out well.
I agree with wood ogre. Epoxy is the choice for marine projects. You don’t want to over clamp, just use good milling and jointing.
Gorilla glue and others of the type (most notably Elmers Ultimate) is at the bottom of most all of my glue lists. Despite it’s marketing hype, it is not strong. This has been backed up by my personal tests, by many others, and a few issues back Fine Woodworking Magazine did an extensive study and comparison of glues where gorilla type glues did not rank highly in stress tests. I would not use it for any fine furniture or exterior usages. Gorilla does have a new glue that leaves a clear glue line (an advantage?). The one and only use I have for “gorilla type” glues is for gluing wood stringers in foam blanks, but again, use good jointing and clamping.
Titebond is a superior glue. I have used it for over 35 years and I have never once had a glue failure. I have a client in Colorado who is still using a rocking chair (joints take huge stress in such a chair) I built using Titebond in 1976 which is still in use daily. Titebond II is my usual go-to glue. The Titebond III is “waterproof” and a good go-to choice for outdoor furniture or any project not necessarily submersed in water. Titebond III leaves a darker greenish color glue line, so you don’t want to use it where glue lines show on light woods (if you care about the look).
Summary: As others have stated, go with epoxy for any marine project. A surfboard with an oil finish is a prime candidate for epoxy. Any other glue will make it a prime candidate for coming…well, unglued.
Just wanted to throw this out there for those who contemplate glues for various projects. Hope it helps.