I just reminded myself to check on the underside of the board which was inside the bag and indeed it was pimpled with bubbles tiny ones..this is the 2nd time i've sanded it down with 800#..not again!I asked the painter who happened to be painting my cousin's bike and he says he'd use polyurethane over acrylic base primer. What's the basic paint that you mates think is bestthe board is carbon wrapped and i wouldn't want to mess up the skin with one mistake on any chemical..my fault really i've been told not to store inside the bag twice