Panel doors are a type of door made from several flat panels that are framed together. These panels can be made from various materials, including wood, fiberglass, or metal. The design often features a combination of raised or recessed panels, giving the door a classic and elegant appearance. Typically used in residential and commercial buildings, panel doors can be found in various styles, such as traditional, modern, or craftsman. They are popular for their durability and aesthetic appeal, making them suitable for both interior and exterior applications.