ok, i have a very small dilema..i am reviving one of my earlier boards for someone who wants a cheap beginner board. it's in good shape, maybe ridden for a summer. i wanted to cover the whole board up with an opaque color. i either want to spray paint, then glass over....or glass it with opaque resin?? are opaque hotcoats hard to work with?? can it be sanded smooth w/o obvious f' ups??