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#1
Posted to rec.woodworking
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How to unglue something without wrecking the wood
This post is sort of related to the one about carpenters glue solvent. I
made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder |
#2
Posted to rec.woodworking
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How to unglue something without wrecking the wood
I should have mentioned that a 3/4" piece of cherry is glued to a second
piece of cherry so I have to loosen the glue in a 3/4" by 26" joint. "Dick Snyder" wrote in message ... This post is sort of related to the one about carpenters glue solvent. I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder |
#3
Posted to rec.woodworking
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How to unglue something without wrecking the wood
In article ,
Dick Snyder wrote: This post is sort of related to the one about carpenters glue solvent. I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder If possible, for instance if this is a panel glue-up, just rip along the glue line and compensate for the loss of kerf thickness somewhere. In my own experience, trying to separate 2 pieces glued with yellow glue is a crap shoot. Whether you try softening the glue with water or some other solvent, there is still a good possibility that wood on either side will crack before the glueline separates. If you can just rip or saw the glueline, you will be in controll of what happens, with other methods there's no way to be certain what will happen. -- There are no stupid questions, but there are lots of stupid answers. Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar. org |
#4
Posted to rec.woodworking
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How to unglue something without wrecking the wood
On 11/10/10 4:40 PM, Dick Snyder wrote:
This post is sort of related to the one about carpenters glue solvent. I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder I don't think it would ruin the wood. You'd probably have to let it air dry for quite a while. If you can submerge it steam, that may work. -- -MIKE- "Playing is not something I do at night, it's my function in life" --Elvin Jones (1927-2004) -- http://mikedrums.com ---remove "DOT" ^^^^ to reply |
#5
Posted to rec.woodworking
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How to unglue something without wrecking the wood
"Larry W" wrote in message ... In article , Dick Snyder wrote: This post is sort of related to the one about carpenters glue solvent. I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder If possible, for instance if this is a panel glue-up, just rip along the glue line and compensate for the loss of kerf thickness somewhere. In my own experience, trying to separate 2 pieces glued with yellow glue is a crap shoot. Whether you try softening the glue with water or some other solvent, there is still a good possibility that wood on either side will crack before the glueline separates. If you can just rip or saw the glueline, you will be in controll of what happens, with other methods there's no way to be certain what will happen. -- There are no stupid questions, but there are lots of stupid answers. I have a piece of cherry 26" long edge glued at a 90 degree angle (actually it is 85 degrees which is the problem!). I can't really rip the joint without ruining both pieces of wood. I will glue up a test sample and try a heat gun per Lew's suggestion to see what happens to the cherry. Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar. org |
#6
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How to unglue something without wrecking the wood
I vote for the heat gun, also. Just don't burn your wood, which can
eassilly happen if you don't watch carefully. Sonny |
#7
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How to unglue something without wrecking the wood
On 11/10/10 7:21 PM, Sonny wrote:
I vote for the heat gun, also. Just don't burn your wood, which can eassilly happen if you don't watch carefully. That's what she said. -- -MIKE- "Playing is not something I do at night, it's my function in life" --Elvin Jones (1927-2004) -- http://mikedrums.com ---remove "DOT" ^^^^ to reply |
#8
Posted to rec.woodworking
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How to unglue something without wrecking the wood
On Nov 10, 5:26*pm, (Larry W) wrote:
In article , Dick Snyder wrote: This post is sort of related to the one about carpenters glue solvent. I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder If possible, for instance if this is a panel glue-up, just rip along the glue line and compensate for the loss of kerf thickness somewhere. In my own experience, trying to separate 2 pieces glued with yellow glue is a crap shoot. Whether you try softening the glue with water or some other solvent, there is still a good possibility that wood on either side will crack before the glueline separates. If you can just rip or saw the glueline, you will be in controll of what happens, with other methods there's no way to be certain what will happen. -- * *There are no stupid questions, but there are lots of stupid answers. * * *Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar. org I'll Jump in with Larry on this. If you have extra width to work with, rip through the glue joint and re-do it. I recently restored an antique elm claw -foot table that had several cracks in the glue joints (likely animal glue) in the top. After some careful measuring and head scratching I ended up ripping through the joints and re-glued them. In this case, I had to compensate for width with the edge trim but it worked quite well. If width is an issue, you might be able to use a thin-kerf blade. RonB |
#9
Posted to rec.woodworking
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How to unglue something without wrecking the wood
.... I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? Try white vinegar |
#10
Posted to rec.woodworking
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How to unglue something without wrecking the wood
On Wed, 10 Nov 2010 17:40:25 -0500, "Dick Snyder"
wrote: This post is sort of related to the one about carpenters glue solvent. I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder Which brand/formulation? Titebond I will loosen with heat. And vinegar will loosen it as well. But not Titebond II. Not sure about other kinds of PVA glue. If they are general purpose, heat or vinegar should do the trick. |
#11
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How to unglue something without wrecking the wood
"Jim Weisgram" wrote in message ... On Wed, 10 Nov 2010 17:40:25 -0500, "Dick Snyder" wrote: This post is sort of related to the one about carpenters glue solvent. I made a mistake gluing two pieces of cherry with yellow glue. My first instinct is to use water to soften the glue but I wonder if I will wreck the wood doing that. What is your advice? TIA. Dick Snyder Which brand/formulation? Titebond I will loosen with heat. And vinegar will loosen it as well. But not Titebond II. Not sure about other kinds of PVA glue. If they are general purpose, heat or vinegar should do the trick. I used Titebond I. |
#12
Posted to rec.woodworking
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How to unglue something without wrecking the wood
On Nov 11, 1:25*pm, "Lew Hodgett" wrote:
"Jim Weisgram" wrote: Which brand/formulation? Titebond I will loosen with heat. And vinegar will loosen it as well. But not Titebond II. All the Titebond glues are PVA types, and PVA softens at about boiling-water heat (or maybe less). I've used hot water with vinegar and it worked, but maybe it was mainly the heat. |
#13
Posted to rec.woodworking
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How to unglue something without wrecking the wood
"Lew Hodgett" wrote You have to be very careful and not let the knife get too hot or it can burn the wood. Again, PATIENCE is a virtue. Totally agree. The glue needs to get hot all over and all through all at the same time. That takes (here it comes again) PATIENCE ! ! ! A low heat applied for a long time. -- Jim in NC |
#14
Posted to rec.woodworking
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How to unglue something without wrecking the wood
I am redoing a sewing machine table and the top is glued together how do I get them apart to re finish them
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#15
Posted to rec.woodworking
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How to unglue something without wrecking the wood
wrote in message
I am redoing a sewing machine table and the top is glued together how do I get them apart to re finish them That depends upon the glue. In some/many cases you don't...you cut them apart and glue back together later. But why do you have to take it apart to refinish?? -- dadiOH ____________________________ Winters getting colder? Tired of the rat race? Taxes out of hand? Maybe just ready for a change? Check it out... http://www.floridaloghouse.net |
#16
Posted to rec.woodworking
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How to unglue something without wrecking the wood
open cubert glued together. Want to change botom to match counter top
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#17
Posted to rec.woodworking
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How to unglue something without wrecking the wood
wrote in news:d9523d02-9617-47a6-9f1b-
: open cubert glued together. Want to change botom to match counter top Heat sometimes works, but be careful as it's possible to damage the parts of the cabinets you want to keep nice. You may need to put a new bottom over the old to change things. Puckdropper -- Make it to fit, don't make it fit. |
#18
Posted to rec.woodworking
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How to unglue something without wrecking the wood
On Wednesday, November 10, 2010 at 5:46:02 PM UTC-5, Dick Snyder wrote:
I should have mentioned that a 3/4" piece of cherry is glued to a second Well, Since it is just two boards, if your kitchen oven is wide enough, you could set it at 210º-215º F and leave there until the glue softens. |
#19
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How to unglue something without wrecking the wood
Walter Riegler wrote in
: On Wednesday, November 10, 2010 at 5:46:02 PM UTC-5, Dick Snyder wrote: I should have mentioned that a 3/4" piece of cherry is glued to a second Well, Since it is just two boards, if your kitchen oven is wide enough, you could set it at 210º-215º F and leave there until the glue softens. How about a Steamer Box? Yep, I know the thread is older than my cat. Just looked interesting. Puckdropper |
#20
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How to unglue something without wrecking the wood
It would probably work if the piece would fit. Most steamer boxes I have seen are long and narrow. My other concern would be whether the steam would warp the piece.
How about a Steamer Box? |
#21
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How to unglue something without wrecking the wood
On 9/3/2020 11:01 AM, Walter Riegler wrote:
It would probably work if the piece would fit. Most steamer boxes I have seen are long and narrow. My other concern would be whether the steam would warp the piece. How about a Steamer Box? That would likely depend on the glue used. Steam for Hide glue. Vinegar for modern water based glues. |
#22
Posted to rec.woodworking
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How to unglue something without wrecking the wood
Whatever works best for the particular situation.
I've been working on a related case for the past 2 weeks. Background: 2016 flood affected a slat-back oak chair dining set. Dr. owner had a patient do the repairs, refinishing. The patient, I think, didn't know what all to do, what to do properly and/or should be done. Seems the chair seats had warped and started coming apart... several boards per seat.. Chair frames had come apart to some extent, also. Since flood damaged, don't have to worry about messing up a finish.... heat gun use. The guy tried to glue the boards back together without cleaning the edges or jointing them square, to mate properly. Lots of mold and mildew still on the board's edges. He ended up with gaps between the boards, then tried a white-ish filler to fill the gaps (on brown boards). *Subsequent stain on the chairs is Old Masters Provincial stain. Beyond that, he seemed to not clean the stretchers for re-gluing into the legs. He shot wire nails in some, for further securing. He shot wire nails in some of the backrest slats, as well. I haven't/won't attempt to remove these nails. I separated the seat boards using a heat gun. I worked the heat along the whole length and the boards slowly separated. Took about a hour each seat. On all 4 seats there were some glue lines that I sawed through, rather than using the heat gun. I flattened any major warping, then jointed the edges clean and square before gluing. Also added a strip of white oak to make up for removed seat width, from jointing and sawing. Yesterday evening I put the first coat of finish on. 9 pics, scroll right. https://www.flickr.com/photos/438361...in/photostream Sonny |
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