How long after the application of a gypsum veneer plaster must I wait before painting can begin?

Under good drying conditions, veneer plaster may be painted 48 hours after application. It is essential that veneer plaster be sound and completely dry before painting. Alkali-resistant primers specifically formulated for use over new veneer plaster will permit decorating with oil or latex type paints. Note: Conventional lath and plaster systems require a 30-day drying time before painting. ... more