What is the finish on pub tables?
To avoid making chess-board bowls (which sound like an interesting
serving piece or fruit bowl or something), be sure to seal all sides of
the piece with something water-tight first. Maybe a layer of standard
poly or varnish all around, then pouring on your bar-top? However, I
don't think plain plywood would move very much, unless the finish
shrinks drastically as it dries.
Andy
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