Architrave 5000 Description Description One piece option with the look of lintel/bead header buildup. MDF5000 – MDF, 1-3/16″ x 3-3/4″ available in 16′ lengths OWS does NOT recommend installing MDF in areas prone to moisture (bathrooms, basements) Other sizes and styles available by special order. Call For Quote $1.25 Interior Door and Window Architrave View Product Catalog Quantity Add to list Become a member:Email email@example.com. SKU: 5000. Category: Mouldings.