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Glue up question

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Forum topic by Roper posted 07-01-2011 09:47 PM 837 views 0 times favorited 2 replies Add to Favorites Watch
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Roper

1370 posts in 3175 days


07-01-2011 09:47 PM

Topic tags/keywords: question

Has anyone ever glued green wood to kiln dried wood before? How good did the glue joint come out? And is it as strong as a glue up with two kiln dried woods?

-- Roper - Master of sawdust- www.roperwoodturning.com


2 replies so far

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tenontim

2131 posts in 3206 days


#1 posted 07-01-2011 11:36 PM

Don’t know that I would recommend it. They used to use green wood for the front and back legs of ladder back chairs and dry wood for the slats and rungs. That way the green wood would shrink down around the rungs and clamp the chair together better than glue.

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fussy

980 posts in 2512 days


#2 posted 07-02-2011 02:03 AM

It won’t work. The moisture in the green wood will weaken the glue joint and movement as it drys will break what’s left. In the situation tenontim talked about, they don’t use glue at all. They aim for the greatest disparity in mc they can get. That way the greenwood shrinks as it loses moisture to the dry wood, and the dry wood swells as it gains from the green. When the two reach equilibrium, you have to cut the joint apart.

Steve

-- Steve in KY. 44 years so far with my lovely bride. Think I'll keep her.

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