??? plywood is used all the time for bottoms boards. See link.
https://www.mannlakeltd.com/beekeeping-supplies/page32.html
> Why is not plywood ever used to make up bottom boards?  I'm tooling up 100
> half bottom boards for 5-frame nucs and figure exterior grade plywood would
> be a lot easier than the wooden boards commonly used.  Yet I've never seen
> it used.

-- 
Harper's Honey Farm
Charles Harper
421 Louveteau Rd.
Carencro, LA 70520
www.russianbreeder.com
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(337) 298 6261

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