5211 Metal frame partitions (71) Proprietary and non-proprietary metal frame partitions of all types 5212 Timber frame partitions (7) Proprietary and non-proprietary timber frame partitions of all types 5214 Toilet and cubicle partitions (49) Proprietary and non-proprietary toilet partitions and cubicle partitions, constructed of slabs and sheets, fixed directly to each other and to the building fabric, or set into rails, frames and posts 5215 Wood plank and board partitions (0) Wood planks and boards laid vertically or horizontally into frames to form partitions or cubicle partitions 5216 Panelized partitions (27) Self spanning planks, boards and panels of any material, laid vertically or horizontally into edge channels or frames to form partitions