the best thing to do is primer plus two topcoats of something high quality. If you are sticking with sherwin williams, that would be emerald or cashmere. I prefer cashmere low. painters edge interior latex flat has an exceptionally flat, lusterless finish that helps diminish the appearance of minor surface defects. It has excellent touch up. painters edge® interior acrylic latex was designed to give you the edge. Good hide and excellent touchup mean better results, fewer callbacks and satisfied customers. painters edge® interior acrylic latex was designed to give…