Reply by clin

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Posted on Necessary to veneer both sides of a 1-1/2” thick laminated plywood substrate?

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1121 posts in 1882 days

#1 posted 10-12-2018 09:53 PM

I agree with adding a similar veneer to the bottom. Though I don’t think it needs to be expensive wood or even walnut. Though I would use a wood with similar expansion characteristics to walnut and the same thickness as the top. And of course this would need to be cut similar to the top veneer.

Also, when I think veneer, I think of something thinner than 3/32”. I think 3/32” is thick enough to matter.

Concerning the two layers of plywood, run their outer grain the same direction. I think some might think that you should alternate them, just as the inner layers are, but it won’t be balanced that way. Running them the same just means the inner layer will be that much thicker and effectively have the desired odd number of plies.

I also can see where this might be a belt and suspenders type thing. But you are not manufacturing a thousand of them, you are making one. And you have to get it right the first time. So best to err on overdoing it.

-- Clin

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