Turning Archive 2006

Glue over a finish?

Bob M
>I'm working on a partially open segmented piece that has one layer of wood overlapping another at 90 degree angles, with some spaces in between the pieces on the top layer. Those spaces will be small enough so that putting on any finish other than a spray after the two layers are together is not practical. I'd like to put a finish on the underlaying layer before glueing the pieces of the top layer to the bottom one, but am concerned about the strength of the bond. I know I could use some sort of spray finish after assembly is complete but would prefer otherwise. I was thinking about an oil or shellac finish.

The glue bond has to be very secure since there will be some turning done after the two layers are joined and there will be some stress (hopefully not too much) on the joints.

Any ideas?

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Glue over a finish?
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