Statistical Classification of Economic Activities NACE Rev. 2.0

This class includes:
- thermal insulation works (e.g. for pipes, boilers and ducts, interior or exterior, including cladding for insulation)
- sound insulation works
- vibration insulation works
- fireproofing works
- hydro insulation
- internal insulation of roofs

This class excludes:
- external insulation of roofs, see 43.41
- waterproofing of roofs, see 43.41

This class includes the finishing work which concludes the construction of a building.

This class includes:
- installation of prefabricated metal sheets, steel parts, profiles, etc.
- ornamentation fitting works on buildings
- cladding for exterior walls
- erection of curtain walls
- erection of steel structures for building completion and finishing
- other building completion and finishing work n.e.c.

This class excludes:
- installation of large-scale shelving (e.g. in shops or warehouses (not an integral part of the building)), see 33.20
- installation of acoustic panels, tiles and similar materials, see 43.23
- interior design activities, see 74.13
- general interior cleaning of buildings and other structures, see 81.21
- specialised interior and exterior cleaning of buildings, see 81.22
- steam cleaning, sandblasting and similar activities for building exteriors, see 81.22

This class includes:
- exterior cleaning of buildings of all types (e.g. offices, factories, shops, schools and other institutions, other business and professional premises, multi-unit residential buildings)
- specialised cleaning activities for businesses in food industries, including manufacturing, retail sale, restaurants, etc.
- specialised cleaning activities for buildings (e.g. facade and window cleaning, chimney cleaning and cleaning of fireplaces, stoves, furnaces, incinerators, boilers, ventilation ducts and exhaust units)
- specialised industrial cleaning (e.g. cleaning of industrial machinery)
- cleaning of water supply pipelines
- cleaning of aeraulic ducts
- other specialised building and industrial cleaning activities n.e.c.
- cleaning of new buildings immediately after construction
- steam cleaning, sandblasting and similar activities for building exteriors