All frames are constructed of 100% solid wood. No plastic veneers or engineered wood products are used in the construction of our hardwood frames. Each frame is constructed from hand selected stock and built one-at-a-time. Only traditional joinery techniques such as mortise and tenon, bridle joints or splines are used in the construction. We do not staple, nail, or wedge our frames - ever. Our joints are paper thin, barely visible and should never open.