6 Metal building materials, especially profiles, pipes, plates, sheets and films for windows, doors, gates, staircases, balconies, facades and frames; windows; doors; gates; wall cladding components for facades; roofing [structures]; frames for use in construction; window sills; rain deflection profiles; mechanical closing and opening devices for windows, doors and gates; all the aforesaid goods of metal, including combined with glass, wood or plastic, included in class 6; all the aforesaid goods, also being decarbonised or otherwise recycled products.