I don't think its necessary to seal it anymore than it is to seal cork. I did coat mine with a few coats of Tru Oil, but I did it for aesthetics rather than the thought that I needed to seal it.Originally Posted by MontanaMoose
Be careful with your tree. I have read (though I have no first hand knowledge) that harvesting the bark of the tree will kill it. If you do decide to try it, I'd love to get my hands on some more bark.
Tyler
Tyler