Wood Dr
Q: I have some 4/4 and 5/4 white oak lumber that has been finished and now the customer is complaining about some randomly spaced dark streaks that run across the lumber's width. They are only in a few pieces of lumber. These dark areas look somewhat like sticker marks, but are randomly spaced and sometimes are very wide (6 inches), sometimes very narrow (1/4 inch). They are only in the heartwood. I know that we didn't detect these in our plant, as we would have eliminated them. The customer says that the color difference only pops out when the wood is finished.