Have read that WB is fine over oil based stuff as long as it is fully
cured.

On 14 Jan 2005 10:20:26 -0800, "SonomaProducts.com"
wrote:

I think staining it is fine. You probably want to put some Tung oil on
first to hep pop that grain a bit more. I don't think you can put a
water finish over that though.