Building materials not of metal and non-metal materials for use in building or construction, namely, architraves; wood boards; door casings; joinery products not of metal being door jambs, door frames, and window casements; jointing materials being non-metal architectural mouldings for baseboards, skirtings, architraves, door jambs and door frames; partitions for building; planks; profiles being non-metal architectural baseboards, architraves, door trims, window trims; skirtings in the nature of baseboards; window frames; window guards in the nature of non-metal window casements; window surrounds in the nature of non-metal architraves, trims and window frames and casements; prepared wood; artificial, simulated and imitation wood in the nature of solid semi-worked wood, medium density fibreboard, preserved wood, and timber * all the foregoing excluding cladding and similar building materials applied to the exterior surface of buildings *