Door Frames: Commonly installed around both interior and exterior door frames to provide a finished and polished look.
Window Frames: Used to trim the edges of window openings, offering a clean transition between the window frame and the surrounding wall.
Cased Openings: Applied around doorless openings between rooms to give them the appearance of a framed passageway.
Archways: Often used to finish archways, especially in classic or traditional architectural styles.
Matching with Baseboards and Crown Molding: Casings are frequently paired with baseboards and crown molding for a cohesive and unified trim design throughout a room or house.