Millwork is produced at a mill from lumber. This ready-made, standard pattern material is used by finish carpenters to finish the interior spaces of buildings. Common types of millwork include casing, baseboards, chair rails, and crown moulding among others.

Prefinished paneling is a decorative sheet product that is applied as a wall finish. Used in a variety of interior spaces, it may be installed as a wainscot or as a full height wall covering. During the 1960's and 1970's, embossed paneling was popular. Today's prefinished paneling features more modern and contemporary designs. Paneling is manufactured from different types of engineered woods, to varying levels of quality.

Board paneling is a board product that is applied as a wall finish in a variety of interior spaces. During antiquity, board paneling was used in European castles to insulate the room from cold stone walls. It has also been used to cover the lower portion of drywall affected by moisture from rising dampness. Today board paneling is a decorative product, produced from a variety of wood species.

Finish carpentry is the installation of finished wood or simulated wood materials on the interior or exterior of a building. Finish materials include wood trim or millwork, wood floors, paneling, frames, doors, cabinetry, shelving, stairs, railings, screens, shutters, ornamental architectural woodwork, and finish hardware. Finish carpentry occurs at a late stage in new construction or in the renovation of residential and commercial structures. The work involved is precise, and requires the use of specific tools and techniques. A variety of materials must be finished to fine tolerances, with a minimal margin of error allowed.