I have not tried it on wood, but I have had good results on other porous substrates with "inkAID clear matt solution. Google it.Good luck.
Dave, thanks I will look it up.best, jack.
I just called and got their answering service, just as I have in the past when I called with a question. A message is taken and someone calls back a day or two later.To answer your other question however. . . . Golden Digital Grounds and DAAS Universal Precoat (http://www.digitalartstudioseminars.com/DigitalArtStudioSeminars/Store_US.html).Terry.