Twb, I agree with Cindi. Anything that is inside of the hive, you will want to remain un-treated, un-painted, in order that the bees will find acceptance. In fact, many here on the forums, when time permits, after having painted new hardware (hive bodies and supers, top and bottom covers) leave them out in the elements for a few days or throw mud and such on the hardware, to help remove any fresh paint smell, again, for acceptance reasons, before introducing bees to the new equipment.
Sincerely, JP