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Thread: How to loosen glued joints without ruining join

  1. #1
    SGF Supreme Grumble Framer RozR's Avatar
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    Default How to loosen glued joints without ruining join

    I have a frame that I glued, but must have shifted a bit while it was drying and I need to release/loosen the dried glue so that I can reset it in the proper position?

    Any tricks - short of putting over a steam pot of water (joking!)

    Thanks,
    Roz
    Life is a smorgasbord and most poor suckers are starving.... Auntie Mame
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    SGF Supreme Grumble Framer JFeig's Avatar
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    Does that mean that there wasn't any nails or other fasteners used?

    In any case you have to break the joints loose to reposition and reglue. I have fatigue pads on my floor. I press down the corners into the pad until I hear them snap loose.
    Jerome Feig CPF
    http://www.minoxy.com

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    SGF Supreme Grumble Framer RozR's Avatar
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    Jerome... the moulding was thumbnailed...
    Life is a smorgasbord and most poor suckers are starving.... Auntie Mame

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    SGF Supreme Grumble Framer JFeig's Avatar
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    Just press enough to crack the glue ---- not the fastener (thumbnail)

    If they do break, they can be replaced.
    Jerome Feig CPF
    http://www.minoxy.com

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    SGF Supreme Grumble Framer imaluma's Avatar
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    Try using a marker as a fulcrum below the joint and gently press down on either side. It's tricky if you want to reuse the frame without cutting it down.

    I use a mallet, place the frame on a table face down with a couple sheets of foam to soften the blow. Hang one side over the edge and firmly bang on the leg hanging off to break loose. This is pretty risky. But works well most times. Do you have enough moulding to cut new long legs if the corners get bunged up you can cut the original longs down?

    Depending on what you have in the shop, you can use a mitre saw to cut through the joints, but the kerf of the blade will take a tiny bit off and your frame will be slightly smaller.

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    MGF Master Grumble Framer auntiesarahjayne's Avatar
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    here's what I do

    I take a screw and drill into the thumbnail, just a bit to get a hold. Super Steel screws work best. Then I take a needle nose pliers and pull that baby out. Now without the thumbnail, I gently use the carpeted table to break the join apart to start over. Works well.
    Sarah Beckett MCPF
    SB Framing Gallery
    Milwaukee, WI

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    SPFG Supreme Picture Framer God Bob Doyle's Avatar
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    I like that idea! I was thinking of suggesting an easyout from a hardware store, but yours is a lot easier! Now how do you do it for vnails?

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    SPFG Supreme Picture Framer God Rick Granick's Avatar
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    Do what Jerome said to break the glue joint. Then flex each corner carefuly until the vnails are loose in the wood. Then lay the frame face up on the worktable with one corner facing you. Place a pair of needlenose pliers under one rail of the frame near the miter but beyond the vnails. Use your fist (or a rubber mallet) to pound the non-propped side to the tabletop. Repeat on each corner. To remove the vnails from the miter ends, clamp a Vise-Grip onto the vnail, prop up the end of the rail with the pliers as before, and pound the visegrip to the table. It will pull the vnail out the same way it went in without tearing up the wood. Repeat this process until all vnails have been removed. Once you get the process down, it's a lot quicker and easier than it sounds.
    Rick

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    You can also use a miter vice to "jack" the corners apart. That works well with v-nials, but it would break the plastic insert, probably.

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    SGF Supreme Grumble Framer JFeig's Avatar
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    To remove v nails I have a steel bar I place parallel to the end grain, flush with the wood. I support the rail with a 1"x 4" board, other than the last 1/2" or so. I tap the bar which presses down on the v nails. The final removal of the v nails is done with "diag" wire cutters. For reassembly I sand off the old glue before applying fresh glue.
    Jerome Feig CPF
    http://www.minoxy.com

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