Quote Originally Posted by Aggie
use about 1000 grit sand paper available at ace hardware and such to rough the surface. It will do it very very minamially and seem almost like it smooth the surface. it will let things adhere since it will give just a minisucle amount of tooth.
Absolutely. (Actually 500 wet/dry with water will do). And when you finish, clean and degrease thoroughly. When you are satisfied that it is perfectly clean - clean it again. dr bob.