This Sub-class includes •production of precast concrete, wood or steel components such as: - beams, columns, planks, hollowcore slab, rafters and/or roof struts - load bearing walls, household shelters, prefabricated bathroom units, facades - bay windows, staircases, non-load bearing walls/panels, planter boxes - refuse chutes, tunnel segments, drains and kerbs - glue-laminated or metal connected prefabricated roof trusses - parquet floor blocks, strips, etc., assembled into panels - railings, doors, windows, shutters and/or their frames •production of pre-fabricated buildings, or elements thereof, predominantly of metal, wood or concrete (e.g. site huts, modular exhibition elements) •production of mobile homes Installation and erection may/may not be carried out by establishment itself
•foundation works (including micropiling, conventional piling and underpinning), see 43901 •brick laying, stone setting and cement works, see 43902 •roofing works (including timber carcassing), see 43903 •scaffolding works, see 43905 •sandblasting/shotblasting works (except ships), see 43906