Wood furniture is often coated with finishes, varnishes, or sealants that prevent paint from adhering properly. Skipping this prep work can lead to peeling, cracking, or uneven coverage down the road.

Wood cabinets are finished with a variety of durable, protective coatings such as varnishes, lacquers, and, on some vintage cabinets, shellac. These finishes allow the natural grain and character ...