Masonite International Corporation designs, manufactures, markets, and distributes interior and exterior doors for the new construction and repair, renovation, and remodeling sectors of the residential and non-residential building construction markets worldwide. It offers molded panel, flush, stile and rail, steel, and fiberglass residential doors, as well as medium-density fiberboard (MDF) and architectural interior doors. The company also provides various door components, including interior door facings, agri-fiber and particleboard door cores, MDF and wood cut-stock components, critical door components, and mineral and particleboard door cores.