Laminated panels 30" x 24" x 1" thick

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Forum topic by dustywalnut posted 05-07-2012 02:26 PM 1143 views 0 times favorited 3 replies Add to Favorites Watch
View dustywalnut's profile


3 posts in 2263 days

05-07-2012 02:26 PM

Topic tags/keywords: plywood laminate glue up panels veneering joining

I work for a pipe organ company and we often make laminated 5-ply glue up panels for the consoles. We normally make the panels with 3 inner layers of poplar and walnut outside layers. Alternating the grain by 90 degrees for each layer. These panels are drilled with many 7/8” holes in a pegboard like pattern and need to stay stable for many years.

My question is: Will our 5-ply glue up method work for panels this large or should I be using another method?
One thought I had was to use voidless birch ply of 1/2” or 3/4” and glue walnut to both sides. Any thoughts or suggestions would be appreciated.

3 replies so far

View Bertha's profile


13529 posts in 2745 days

#1 posted 05-07-2012 03:15 PM

I’m no expert in lamination but I can’t see how your typical glue up wouldn’t work. I’ve never seen a poplar core like you describe and I’d be looking to use a voidless ply if it were my project. I hope you post it when you’re done!

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

View MrRon's profile


4853 posts in 3295 days

#2 posted 05-07-2012 06:54 PM

You may be better off laminating two 1/2” Baltic Birch panels together. It’s the 5-plys that worries me. With the BB, you will get 18 plies + two Walnut plys.

View vonhagen's profile


539 posts in 2417 days

#3 posted 05-12-2012 12:32 PM

lumber core ply

-- no matter what size job big or small do a job right or don't do it at all.

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