Abstract: An elongated molding for covering the corner at the junction of a wall and a ceiling has a pair of longitudinally extending margins each of which is provided with a recess. Both recesses are bordered by a pair of longitudinal surface portions, and the surface portions flanking one recess are to abut or be bonded to the wall while the surface portions flanking the other recess are to abut or be bonded to the ceiling. The molding has a front side which is to face away from the wall and the ceiling, and the surface portion of each pair nearest the front side adjoins a bevel which is located between the respective surface portion and the front side. The molding is bonded to the wall and the ceiling by joint compound or spackling compound placed in the recesses. The bevels define gaps with the wall and the ceiling, respectively, and such gaps are filled with joint compound or spackling compound to enhance bonding.