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Reply by crank49

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Posted on Plywood Alternative

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crank49

3343 posts in 1576 days


#1 posted 762 days ago

Torsion box, wheather the core is a wood grid or foam, is the way to go.
Sinse the skins are in compression or tension only, you can use 3/16 hardboard and be plenty rigid.
If you go with foam, I’d use the thickest practical, 2” perhaps.
Also, with foam, be sure to use an adhesive designed for foam. It’s readily available.
I would make a perimiter frame out of wood even with the foam core to protect the edges.

And, I agree with others here, keep the tiles as thin and light as possible.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H


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