WMPM9974C 11/16 in. Thick x 3-1/2 in. Tall x 12 ft. Length Modern Farmhouse Casing Molding, $14.28 USD/Box, LL Flooring (Lumber Liquidators)

Casings are widely used in areas and are typically the most noticeable moulding. They mainly frame doors or windows, covering gaps between the drywall and frame. Thicker than base mouldings, they unify a room's design. Moulding options vary, including multi-piece build-ups and complete wraps.