Hacking Gorilla Glue to make it foam *more*?

[CapnK]

Oh - Grime, sorry I missed replying: some solvent in Liquid Nails, at least in the formulas I tried, ate the foam. That's part of the reason for using Gorilla Glue - I'd been looking for a strong-bonding, waterproof adhesive that won't eat the foam.

I can tell you several that will do so, if you really want to know...

[Grime]

Hey no problem. I was just thinking out loud. My son was fixing his rv and the foam insulation was glued to the roof. Looked like liquid nail. His rv was made in the middle 70. Can't remember the year. Old timers I guess. We used a foam insulation that had a silver sheet over it and used L/N to glue it back up and then glued the ply paneling up. Can't remember what the insulation was called. It is use on the exterior of new homes.

I would still check with an insulation company. In this day a time there has to be something that will bond the ply/foam/ply together.

Good luck on your project. Might just be starting one myself this weekend. Waiting on a yes or no answer on my offer for a Ventura 2-22 that has been sitting on the hard for 4 years.

David

[Auspicious]

And for some background: what I'm doing is making a very thick exterior skinned foam core hull, but by putting the foam core in after (40 yrs after ) the exterior skin has already been made. Since these boats are basically a monocoque structure, with all the extra cabinetry I am putting in, I am reinforcing the hull itself internally as well, even without the foam core sandwich aspect.

Kurt,

With all due respect to your construction skills, I don't think you will be able to get the degree of adhesion one would find in a cored layup. Also remember that in cored boats the layup includes solid glass sections for many structural connections.

I would recommend landing your new cabinetry to the existing hull. In addition to a stronger connection you will have the added benefit of smaller pieces of foam to handle which will be easier to get full contact adhesion with the underlying hull.

[CapnK]

What? WHAT??? I'll have you sonnies know I've been using fibredglas for nigh on to 20 years, and That I ain't no spring chicken!

I bet that you haven't built more than models in your warm dry living rooms cozied up in front of a fire, while I have been working on leading edge composites in the hard, harsh, tough REAL world out there, since back before you were old enough to spit! All of this 'helpful' advice, I can tell you are laughing at me behind my back! Ya bunch of ninnywomps, I am out of here, and I ain't coming back!

Good luck to you all! ***






***See translation of post below

[CapnK]

No - really - thanks for all the input! This is what discussion is all about. Keep it coming! It is really helping me get my plan together.

Dave - you are right, there's no way I could easily get the kind of bonding that a factory layup can produce. Good point.

The thinking continues. The coffee helps.