 It can be used on wood. It can be used on concrete. It is a Dyche Coatings product. We've spoke about them many times. So there's your two options. And again, if there's paint on there and it's in good shape, you can go right over the surface. If it's got a lot of different coats and that paint is cracking and beginning to peel, depending on how old that paint is, you're probably going to have to remove it if that paint...