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Perpendicular face glue up?

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Forum topic by Adam27 posted 05-18-2021 12:00 PM 289 views 0 times favorited 11 replies Add to Favorites Watch
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Adam27

3 posts in 35 days


05-18-2021 12:00 PM

Topic tags/keywords: wood movement glue

Hello! I’m thinking of making a square cutting board by gluing up two 12×12” 4/4 panels of walnut and curly maple, 3 boards at 4”. Then I’d like to glue those panels together at a 90 degree angle to each other to make a thicker overall board (~8/4 before milling). Is this crazy? I’m curious if wood movement going opposite directions on the two panels is going to tear this thing apart or if the dimensions are small enough that it won’t matter. Thanks for the input!
Adam


11 replies so far

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bondogaposis

6000 posts in 3470 days


#1 posted 05-18-2021 01:55 PM

I wouldn’t do it myself. I think it better to make an end grain board and you can make it any thickness you want with out issue. Edge grain could work too.

-- Bondo Gaposis

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Adam27

3 posts in 35 days


#2 posted 05-18-2021 03:10 PM

Thanks. Honestly it’s more about the pattern than the thickness, having alternating walnut and maple on one side going one direction and the same pattern offset 90 degrees on the other. I just think it will look nice, if it will stay together.

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splintergroup

5284 posts in 2342 days


#3 posted 05-18-2021 03:28 PM

I think you may have issues long term, but I have no real experience with this construction and the potential of one side getting wet and the other side remaining dry.

If I was to try this as a test, I’d consider grooving a grid into the mating surfaces and adding chunky (1/4”+) splines to really lock the two halves together and counter the potential shear forces. At least if it fails, it would probably make a loud bang when it lets loose 8^)

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ibewjon

2483 posts in 3912 days


#4 posted 05-18-2021 05:07 PM

It is a small amount of material, and not much labor time. If it is for yourself, try it. Not much to lose.

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JackDuren

1600 posts in 2079 days


#5 posted 05-18-2021 06:07 PM

We do it all the time. Just gotta be quick…

Done on work benches all the time…

You need to ru n these through a planer before you glue..

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SMP

4156 posts in 1025 days


#6 posted 05-18-2021 06:22 PM

I’m having a really hard time trying to understand what you are trying to do by the description. Do you have a picture or drawing?

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therealSteveN

8009 posts in 1693 days


#7 posted 05-18-2021 06:25 PM

I wouldn’t. In use I have found slight differences in seasonal movement between species of wood. Glue them so they can’t do what they want to do, they will break, crack, split, to do it anyhow.

Reading your explanation has me thinking you are laying panels flat on top of other panels, and gluing them together, if I understood it wrong, then I’m with SMP on needing a pic, drawing, better explanatio

A table top is perpendicular to the skirt boards, and to attach it you do so with fixtures so the top can move freely, so I guess it’s the use of the word perpendicular.

-- Think safe, be safe

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JackDuren

1600 posts in 2079 days


#8 posted 05-18-2021 06:44 PM

I’m assuming he’s glueing face to face.

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ibewjon

2483 posts in 3912 days


#9 posted 05-18-2021 09:42 PM

If I understand correctly, face to face and one layer rotated a quarter turn ?

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Adam27

3 posts in 35 days


#10 posted 05-19-2021 01:35 AM

That is correct, it would be face grain to face grain with one of the layers rotated a quarter turn. So looking at one of the edges of the final glued up panel you’d see end grain of one layer and edge grain of the other, with their faces glued together.

Hopefully they’d stay that way! Thanks for all the input.

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JackDuren

1600 posts in 2079 days


#11 posted 05-19-2021 02:30 AM

Not unusual….

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