Latex Over Oil Primer. I really vote for sand it all. I sand then use sherwin williams latex bonding primer and apply one or two finish coats of semi gloss superpaint by sw. If you are painted with kilz inside either strip or sand down the oil based primer or ask your paint person for an adhesive based primer that will hold latex over oil.
Oil top coat nowadays is sort of unnecessary with the quality of latex top coat paints.
You're in the right place for latex based paint over oil primer. I really vote for sand it all. Think how jealous you're friends will be when you tell them you got your latex based paint over oil primer on aliexpress. Any words of wisdom or recommendations for primer would be appreciated. Oil top coat nowadays is sort of unnecessary with the quality of latex top coat paints. After reading up online seemed like oil based zinsser im thinking of adding a 2nd coat (question is it even necessary?) and wondering i can go over the areas that was painted with the latex primer over with. I spot tested it and the paint still is not going on smoothly. Oil based primer is absolutely the best choice for a damp environment like a bathroom.