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  1. 6th March 2013, 06:29 PM #1
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    JDarvall
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    Default Australian teak glueup.

    Hi,

    whats have you found to be the best way to glue up teak. Looking for a new trick.

    What I do know, from what I remember right now, is that its very greeeesy. Doesn't take glue well. Can acetone the surfaces in advance, which I've done a few times, but I have no comparitive proof that it works.

    The biggest problem I'm having at the moment is the weather with all the rain. I'm affraid of any kind of glue up, stinging me when the heat comes back. And with the added worry of it being greesy I can see glue lines popping readily as soon as the sun comes out.

    I have a kiln going where I heat up the stock just before final jointing which I find works well.... can't remember anything else outside of the workshop.

    Just curious of what others have noticed with their glue ups.

    appreciate any thoughts
    thanks
    Jake
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  3. 7th March 2013, 09:01 PM #2
    Rod Gilbert
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    Hi Jake,
    A question what timber are we talking about my understanding is Crow's ash is sometimes known as Australian teak is this what you are wanting to glue.
    Regards Rod.
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  4. 8th March 2013, 12:32 AM #3
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    My question as well, Are you meaning Crows Ash? I have glued some CA veneers onto some draw fronts with no probs so far, I did wipe with acetone and then used the waterproof/resistant pva, I have also done an experimental edge glueup on a couple of boards a yrs back, they are still together, from memory I think the edge might have just been straight from the jointer and no acetone and just white pva


    veneer pieces.JPGcloseup Crows Ash.JPG



    Pete
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  5. 8th March 2013, 03:07 AM #4
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    Sorry guys, yes its crows ash.

    Same as the first pic there pete. yellow dense greesy stuff.

    success with no acetone and white pva suggests its not as bad to glue up...??
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  6. 8th March 2013, 07:53 AM #5
    Rod Gilbert
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    Hi again Jake,
    I have done quite a bit of segmented turning with crows ash components and some were turned about 15 years ago and still hold together perfectly. Some Australian hardwoods have a high natural resin content and the heat of planing can bring these to the surface causing the joint to fail, I have always given the fresh edge a light fine sand prior to glue up and used good quality PVA using a rub joint. Never had a problem with this timber the other timber segments in this bowl are rosewood which also requires the same treatment to glue because of the same problem.
    Regards Rod.

    DSCF0050.jpg
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  7. 8th March 2013, 10:00 AM #6
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    Thanks Rod. And the effort to take the photos. And Pete. Thanks mate.
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  8. 8th March 2013, 07:16 PM #7
    John Samuel
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    Whenever the timber is greasy or very resinous I find that PU glue works well.

    Had a joint in a cabinet top in resinous New Guinea Rosewood (very pretty dark red streak, but very resinous and greasy) refuse to stick together when using PVA a while ago. Because it was very resinous, decided to use PU (Selley's Tarzan's Grip) rather than to clean it up with acetone. It worked fine, and six months later there was no visible glue line.

    I rang Selley's technical service people to ensure I was using the right glue for this problem. Already had the glue as I use it to glue wood to metal ... very effective.
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  9. 11th March 2013, 06:55 AM #8
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    thanks John.
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