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Broken back teak ar...
 

Broken back teak arm chair  

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Browkin
(@browkin)
Noble Member
Joined: 5 years ago
Posts: 290
30/06/2022 10:37 pm  

Dear folks, 

how would you fix this crack on a back of a Danish arm chair? Many thanks in advance for any hints! 

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This topic was modified 2 months ago 6 times by Browkin

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Browkin
(@browkin)
Noble Member
Joined: 5 years ago
Posts: 290
30/06/2022 10:43 pm  

Gluing is not really an option. I assume I will need here a sort of metal clamps. Any suggestions? 


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tktoo2
(@tktoo2)
Illustrious Member
Joined: 4 years ago
Posts: 635
01/07/2022 4:18 am  

Unless you mean to simply screw a metal mending plate onto it and attempt to disguise it somehow,  a more sensitive and durable approach  would require carefully executed joinery.  A somewhat tricky job even for a pro. Is the return worth the expense of hiring the job out?


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Browkin
(@browkin)
Noble Member
Joined: 5 years ago
Posts: 290
01/07/2022 9:30 am  

Well, a metal plate might be a good option, but I doubt that would last long. Indeed a wooden joinery would be probably a better choice. Most likely I would need to cut the broken part and glue a new piece of wood instead. Yes, hiring the job out would eat up the margin for the chair if not more. Also don't know any who could do the job in my city. 


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Herringbone
(@herringbone)
Illustrious Member Moderator
Joined: 2024 years ago
Posts: 925
01/07/2022 11:47 am  

@browkin Oh boy. What you'd usually do is cut out the broken piece and replace it with a new piece of wood. But this seems to be a hard job with plywood. My first instinct therefore was to make a completely new backrest which is not an easy thing to do. Then I thought that glueing might be possible with epoxy, because it fills all the voids and cracks and is pretty strong. It also seems you have some surface there for the glue to work. But you'd have to make sure that the glue really goes everywhere, clamping would have to be just perfect. Will the repair be visible? I guess you upholster the backrest?  

"People buy a chair, and they don't really care who designed it." (Arne Jacobsen)


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tktoo2
(@tktoo2)
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Joined: 4 years ago
Posts: 635
01/07/2022 6:22 pm  

A proper repair would require the finicky task of fashioning and fitting a loose (or "floating") tenon for joining the bent-ply backrest to the solid wood arm. Disassembling the back/arms from the rest of the chair seems unavoidable. Then there's devising a clamping strategy for for holding it all together when gluing. Again, a tricky proposition where there are few if any flat or square bearing surfaces to work with.

If it were mine, I might decide to chalk this one up to experience and move on.


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Browkin
(@browkin)
Noble Member
Joined: 5 years ago
Posts: 290
02/07/2022 1:44 pm  

@herringbone: Thank you for the hint with epoxy. I will talk to a neighbour, who works often with that sort of material. Yes, the backrest will be reupholstered. And of course agree to the clamp strategy. Especially of those backrests the clamps are absolutely tricky. 

@tktoo2: Thank you for the hint with disassambling. My intention was not to touch the other joint, cause the connection there is pretty solid. But I might try to pull there a couple times in case it gets any movement, so I can take it apart. 


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alexjohn
(@alexjohn)
Active Member
Joined: 3 years ago
Posts: 9
13/07/2022 9:08 am  
I would try wood putty, wood glue, and several clamps without replacing anything. However, to ensure that it does not break again, I would add a steel bracket that extends from one side of each break to the other. It won't look as nice, but I don't think it will be noticeable if you paint the chair first, then the bracket. If you don't want to paint the chair, you could find a colour paint for the bracket that is as close to the wood colour as possible. Without the brackets for support, I'm afraid it'll just break again.

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Browkin
(@browkin)
Noble Member
Joined: 5 years ago
Posts: 290
27/07/2022 9:56 pm  

@alexjohn: Thanks for your comment! I still don't dare to tackle the big project. 🙂 I think Because I don't have a definite solution in my head yet. But I'll start one day and document the repair in pictures.


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