This cove moulding is basic in form. It lends itself to enhancement projects ranging from classic to modern. Cove moulding derives its name from its concave form, and it creates a pleasing transition between right angles. This is why cove moulding is often used as a crown moulding profile. This versatile cove moulding is sure to inspire a wide range of trim projects. A durable urethane construction makes installation easier than ever. Cove moulding is precision-molded in urethane, a rigid, high-density foam material with a resemblance to traditional wood millwork. In fact, urethane is often used to capture the beauty and character of wood millwork, but with unique moisture resistance.