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Replying to message 37962
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Brian Days

Posts: 3

Joined: 2020-03-10

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Subject : laminating plywood
Posted : 2020-10-23 5:54 PM
Post #37962

I am planning on laminating two layers of 9mm baltic to make a substrate with Unibond 800. In case someone is wondering why, this method give me a very flat substrate that I can't get with a single 3/4" plywood substrate.

I have done this many times in the past and didn't concern myself that the two interior layers were facing in the same direction. Every time I discuss this with other woodworkers I get a horrified response that I glued two layers in the same direction but no one can articulate why this would be an issue. My final face veneers are oriented 90 degrees to the substrate face.

I wanted to get opinions if you all felt a breaker layer would be necessary and why?

What would you use for an inexpensive breaker layer if you recommend one?

I also know I could use 3 layers of 6mm but that is more expensive/more labor and feels unnecessary to me.

Thank you,
B



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