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  1. 16th July 2003, 06:15 PM #1
    Gino
    Gino is offline Senior Member
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    Default repairing failed joints

    I've got this old dining chair off a friend to repair where the joints are failing. I suspect that it's probably hide glue that was used originally.
    I will need to fully pull it a part in order to fix it properly, but can I just apply the new glue on top of the old to repair it? Or is there something I should do first?

    Also what type of glue should I use?

    As best as I can tell the chair is made out of some sort of Australian hard wood like Tas oak. And it uses Dowels for the joints.

    Your help will be appreciated.

    Gino
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  3. 16th July 2003, 08:45 PM #2
    q9
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    Default

    Seeing as you have to go through the trouble of pulling it apart, make sure you clean everything thoroughly. Glue is made to bond with wood, not other glue.

    I made a locking dowel joint once by cutting a slot in the ends of the dowel, and fitting a wedge in the slot with some glue. As you drive the dowel into the joint, the end of the hole pushes the wedge into the dowel. Bit of a pain, not always easy to do, and a bugger to undo if you muck it up.
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  4. 16th July 2003, 09:09 PM #3
    Shane Watson
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    Just use more hide glue...it adheres to itself & theres not really any need to remove all the existing stuff, just a good clean up.. otherwise if you are using a different adhesive then yes you will need to remove all the existing glue...HTH
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  5. 16th July 2003, 11:16 PM #4
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    Neil
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    Default

    As Shane says use Hide Glue for the repair and all will be well. Give all the joints a good clean up with hot water and rag.

    Hide glue is the only glue that will rebond with itself. If you intend using a modern glue then you will have to remove all traces of the original glue and get back to raw timber. This will open up the joints and cause no end of problems.

    If you have joints that will not break easily then the glue can be undone by injecting some metho into the joint and giving it a swift whack with a hammer (preferably not directly onto the timber). The metho crystalizes the glue and makes it become brittle.

    Hope this is of some help.

    Cheers - Neil
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  6. 20th July 2003, 09:24 PM #5
    Gino
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    thankyou for taking the time to answer my question .

    regards

    Gino
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