Metal building products and building construction materials in this class including panels, roofing and wall cladding, doors, windows and kit-form frames; pre-fabricated steel kit-form buildings and building construction systems as included in this class; all other building components, fittings and parts included in this class; and all other goods included in class 6; building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal