How to unglue/separate wood? - Woodworking Talk - Woodworkers Forum
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post #1 of 11 Old 11-26-2017, 09:20 AM Thread Starter
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How to unglue/separate wood?

I have a project where I had to glue a rail to a table leg.

I have to remove that rail so I can cut a very shallow dado since the rail sticks out of the slot by about 1/8".

My question is how do I separate the rail from the leg it's glued to - there are 2 legs that need to be re-dadoed.

A few pics of the issue:

The problem



The rail it's glue to only want to remove one side - other side is fine for now


Thanks as always in advance
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post #2 of 11 Old 11-26-2017, 11:28 AM
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Use the widest chisel you have and drive it along the glue joint,working from top to bottom, and bottom to top

Then go get in your vehicle to buy new wood LOL

It is going go to be tough to break the glue joint without screwing up the wood, sorry but the glue is generally stronger than the wood, and pine doesn't help much
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post #3 of 11 Old 11-26-2017, 11:36 AM
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This type of problem is why you ALWAYS do a dry fit before adding glue.

George
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post #4 of 11 Old 11-26-2017, 11:40 AM
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An 8lb sledge hammer should do it.
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post #5 of 11 Old 11-26-2017, 12:03 PM
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Start gingerly with a flat bar or wide chisel. You'll see how well your glue joint holds up. Maybe it will pop free with little damage, maybe not. If you're applying a ton of pressure and it's not budging, I'd look at a japanese flush cut saw to cut out the glue in the joint.
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post #6 of 11 Old 11-26-2017, 12:55 PM
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If it’s already glued in place and secure, I think I would just plane it down the 1/8”needed to be flush.
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If you don't have time to do it right the first time, when will you have time to do it over?
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post #7 of 11 Old 11-26-2017, 06:31 PM Thread Starter
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Well thanks all - yes it was glued tight and I was just about to take an axe to the whole project...

But then I remembered something I read and looked it up again...

Vinegar and water or Alcohol.

I went with the Vinegar and water, injected it into the joints and using a razor blade sliced through the glue - it came away fairly well although it took a few tries and about 3-4 applications of the solution. A few slivers of wood were left behind but I was able to sand them down and salvage the legs.

The problem became that when I tried to reglue the legs, glue wouldn't take or hold (I'm assuming the vinegar solution was stopping the glue from adhering ) - had to use screws to keep the rails attached - hey, it's a work in progress LOL
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post #8 of 11 Old 11-27-2017, 06:03 PM
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Try a hot putty knife first, it may soften the glue up before just prying off.
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"You must become one with the wood grass hopper"
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post #9 of 11 Old 11-27-2017, 06:18 PM Thread Starter
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Quote:
Originally Posted by nywoodwizard View Post
Try a hot putty knife first, it may soften the glue up before just prying off.
Will do - if there is ever a next time which I sincerely hope there is NEVER a next time...LOL
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post #10 of 11 Old 11-27-2017, 07:39 PM
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Stihl makes a great chainsaw. I'd start over as the wood will split or come apart in chunks. Good luck.
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post #11 of 11 Old 11-27-2017, 10:23 PM
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Quote:
Originally Posted by new2woodwrk View Post
I have a project where I had to glue a rail to a table leg.

I have to remove that rail so I can cut a very shallow dado since the rail sticks out of the slot by about 1/8".

My question is how do I separate the rail from the leg it's glued to - there are 2 legs that need to be re-dadoed.

A few pics of the issue:

The problem



The rail it's glue to only want to remove one side - other side is fine for now


Thanks as always in advance
First I would try a snack with a dead blow mallet. Often the glue is brittle and it may fracture at the joint. Other than that buy new wood. Tom

Sent from my Nexus 10 using Tapatalk
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