wood glue types

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wood glue types

Post by TONYL » Sat Jan 25, 2014 6:21 pm

Please can you let me know what to use to glue wood bouyancy tank sides into my woode boat
it is all back to bare wood so its to glue wood to wood
What will be strong enough
Do i need epoxy - araldite - or super glue or old fachioned white wood glue or is there another type
Thanks for the advice

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Re: wood glue types

Post by neil » Sat Jan 25, 2014 6:28 pm

Always been a fan of Balcotan - http://www.robbins.co.uk/Pdf%20Files/pl5_balcotan.pdf, though finding some might be tricky as I believe it has been discontinued
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Re: wood glue types

Post by keithr » Sat Jan 25, 2014 7:11 pm


This is what I have recently bought as a substitute
Dr Schenk PU Waterproof Wood Adhesive 750ml

http://www.ebay.co.uk/itm/331085161040? ... 1439.l2649

Seems to be the same, also gorilla glue can be had in small tubes which does the same.

http://www.ebay.co.uk/itm/like/14104419 ... =95&ff19=0

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Re: wood glue types

Post by kfz » Sat Jan 25, 2014 8:51 pm

Hi tony.

What boat, how much volume, is it structural, what finish, how old is the boat, what glue was used before above or below waterline, how long do you want it to last, how much do you have to spend, how much more work needs doing?


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Re: wood glue types

Post by JimC » Sat Jan 25, 2014 9:04 pm

TONYL wrote: Do i need epoxy - araldite
- or super glue
or old fachioned white wood glue
No, No and No!
There are four main choices.
  • a specialist boat building epoxy such as West or SP Systems/Gurit
  • Aerolite or Aerodux (two part formaldehyde based glues originally used in aviation)
  • Polyurethane foam type glues
  • Cascamite (although definitely not a fan of that)
That's roughly in my order of preference although I'd only go for aerolite/aerodux if I were unable to use epoxy - its probably the most trouble to obtain.

If you use epoxy you must take the handling precautions seriously. I know a substantial people who've wound up allergic to it which is very awkward

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Re: wood glue types

Post by Rupert » Sun Jan 26, 2014 9:19 pm

I've used all of Jim's choices above. I'd only use the Aerolite (or Cascophen, the other brand name) for doing laminating, and only then if there was a reason not to use epoxy. The polyurethane glues are foaming, so you need to make sure it is all well clamped. Cascamite I've not used in decades, and would avoid for anything bar furniture making. All in all, I'd need a good reason not to use epoxy. Cold and damp might be one - the foaming glues like a bit of damp to work, and are a little less cold-averse.

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Re: wood glue types

Post by Ed » Mon Jan 27, 2014 3:18 pm

As Rupe says:

First choice is always: Epoxy.

If it is damp/cold and I need a fast fix, I might use an expanding polyurethane.....but to be honest, I have had enough broken Balcatan joints to go off the stuff. The slow was much better than the fast, but that evaded half the point.

I wouldn't use cyanoacrylate for much building, although always have a bottle in my toolbox for little bodge fixes. Like when you are finishing a bit of veneer and suddenly the plane catches and splits the end off your bit of wood. A dab of cyano quickly puts it back for long enough to lay it in place. I have also used it for a range of quick fixes, like setting in place stainless screws that have started to spin in aluminium fittings. Not a long-term fix, but brill when you notice it is going, 15mins before the first gun.



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Re: wood glue types

Post by Mikey » Tue Jan 28, 2014 9:51 am

West epoxy every time (no experience of SP systems but expect similar). It is expensive but the strength of it really is amazing. I have but jointed pieces of mahogany and it is just like a "continuous" plank when set. The right environmental conditions are however very important when using. Various additives are also available to aid in gap filling.

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