wahoo wrote:So I put my filler on bare metal before epoxy, how high of a grit do I have to sand to before I epoxy over it?
Cut it flat by block sanding with P80. Then go over it again with P180 on a block to feather the filler out and remove the P80 scratches.
Now you can spray your epoxy. 2 coats for bare metal, 1 or 2 coats for filler.