1.Jamb with architrave 2.Upgrading interior design 3.No bending and crack 4.Soundproof,sun resistant 5. ... . Door jamb: frame with brick molding, with rubber seal.6. Wood species: ash, sapeli, chempaka, Chinese cherry, black walnut, meranti, American ... can not be pre-hung because of the transportation.8. Doors hardware: lock, handle, hinge, stopper, self-closing, bolt, peephole, etc ...