23.6 – Manufacture of articles of concrete, cement and plaster

This class includes: - manufacture of precast concrete, cement or artificial stone articles for use in construction: • tiles, flagstones, building blocks, bricks, boards, sheets, panels, pipes, posts, etc. - manufacture of prefabricated structures and structural components for building or civil engineering, traffic control and obstruction, of cement, concrete or artificial stone - manufacture of prefabricated factory-made elements of brick for construction of prefabricated structures to be used in landscaping and retaining wall, wastewater and stormwater management, and underground utilities - manufacture of factory-made elements with concrete - manufacture of prefabricated concrete pipes for drinking water · This class also includes: - manufacture of calcium silicate masonry units - manufacture of autoclaved aerated concrete masonry units · This class excludes: - manufacture of other articles of concrete, cement and plaster not for use in construction, see 23.66

This class includes: - manufacture of articles of plaster or compositions based on plaster for use in construction: • boards, sheets, panels, tiles and similar articles, not ornamented

This class includes: - manufacture of concrete ready to pour, i.e. to which water has already been added and which is usually transported in concrete mixer lorries · This class excludes: - manufacture of refractory cements, see 23.20

This class includes: - manufacture of non-refractory mortars and of concrete not yet mixed with water · This class excludes: - manufacture of refractory mortars, see 23.20 - manufacture of ready-mixed concrete and concrete ready to pour, see 23.63

This class includes: - manufacture of panels, boards, tiles, blocks and similar articles of vegetable substances (e.g. wood wool, straw, reeds, rushes) agglomerated with cement, plaster or other mineral binders - manufacture of articles of asbestos cement or cellulose fibre cement, e.g.: • corrugated sheets, other sheets, panels, tiles, tubes, pipes, reservoirs, troughs, basins, sinks, jars, window frames · This class excludes: - manufacture of insulating fibreboards of wood or other ligneous fibres, whether or not bonded with resins or other organic substances, see 16.21