The PVC Coving Corners usually refers to a type of Cornice that is uniform in profile. Coving is a prefabricated decorative molding fitted at the junction of the wall and ceiling around a room. Coving is a form of decorative molding placed at the junction between walls and ceilings to create a smooth and visually interesting transition. It features a concave design, curving inwards toward the wall, and it is also known as cove molding. The PVC Coving Corners are very easy to use.