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PostPosted: Fri Jul 24, 2015 4:10 pm 
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I have a job to do, repairing a very old teak outdoor bench. The seat is comprised of 3- 8" wide x 1/2 boards. Two of the boards have very long cracks in them ...approx 15" long. No way to glue the boards back together, age has caused the cracks to remain open. I could, however, put a bowtie or butterfly inlay to secure the crack and avoid it's further cracking and avoid pinching your bum cheek in the crack when sitting. Question. Since the board is only 1/2 thick, do I do a surface inlay (1/4" thick) or through the entire board, visible on both sides? I fear tear out if I go through, but need it to be secure.
Anyone have experience with this repair?


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PostPosted: Fri Jul 24, 2015 5:04 pm 
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Eager to hear the advice forthcoming. I've always wondered about that as well.

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PostPosted: Fri Jul 24, 2015 6:31 pm 
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You don't have to go all the way thru, although you could if you back the board with scrap to control tear out. Or you could just butterfly both sides of the board with thin ones. I'd do one or the other.

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PostPosted: Sat Jul 25, 2015 10:05 am 
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I've never made a repair such as this. But will offer a suggestion none-the-less.

Quote:
The seat is comprised of 3- 8" wide x 1/2 boards.


How is the under structure built?
Is it your intent to close the cracks or simply prevent further opening?

I would think with material that thin that you could pinch the crack back together with clamps, route the butterfly all the way through (with a backer as suggested) and then glue it back together with the butterfly in place.

I suspect the real trick for an outdoor project is using a weather proof (or resistant) glue and butterfly.
Epoxy? Gorilla Glue? TBIII?

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