TThanks much for the interest, Paul, and for the words of caution. Reading your description of having problems with the fragility of burl is actually what prompted me to start trying to find a way to make wooden fascias that were durable enough to actually be used. According to all of the information I can find, stabilized wood products end up being more akin to plastic, as far as their physical properties. Hopefully that will let this happen.
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Dave