heat and pressure will eliminate
twist. But then if the plywood
cycles a lot in MC, it will likely
warp if this twisting tendency is
in the veneer initially.
It is my guess that the supplier
of your plywood stored the plywood in an unheated shed where
the humidity of the air was high.
The wood regained MC slowly.
It was only when you quickly redried the pieces in your dry work
area that this natural shrinkage
Trying to untwist the wood
is not likely to work well at all. I
would encourage you to return
the wood to the supplier and get
some new pieces. Otherwise, use
this ply wood for small pieces or
where warp will not matter. Do
not expect to be able to hold if
flat, such as with a table frame.
Note: The twisting tendency
of some pieces of ply wood is hard
to prevent when manufacturing veneers and plywood. Most
manufacturers understand this
and, in my experience, will work
with you when twisting is severe
enough so that you cannot use
the piece. ;
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| June 2017 | Get information FAST from suppliers:
Gene Wengert, “The Wood Doctor,”
has been training people in efficient use
of wood for 35 years. He is extension
specialist emeritus at the University of
See us at AWFS Booth #: 8614
Trying to untwist the wood is not
likely to work well at all. I would
encourage you to return the wood
to the supplier.