For professional painters and DIYers alike, paint preparation, including filling holes in walls and trim ... How to choose joint compound. Holes in metal require an epoxy filler, such as Bondo (the ...
(Yes, you can also paint stainless steel sinks but that's a whole other ballgame.) For a sink, you'll want to grab an epoxy-based paint as it cures quickly and will withstand the high usage of a sink.