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NACE 43.23: Installation of insulation

NACE Rev. 2.1 class. Replaces NACE Rev. 2 43.29, 43.39, 43.99. Closest ISIC Rev. 4: 4329, 4330, 4390.

NACE Rev. 2.1 class 43.23 is "Installation of insulation". It sits in section F (CONSTRUCTION), then division 43 (Specialised construction activities), then group 43.2 (Electrical, plumbing and other construction installation activities). In the previous classification, NACE Rev. 2, the activity was covered by 43.29 (Other construction installation), 43.39 (Other building completion and finishing), 43.99 (Other specialised construction activities n.e.c.).

What the class includes

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

What it excludes

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

Correspondence with NACE Rev. 2

NACE Rev. 2Label (Rev. 2)Also maps to
43.29Other construction installation1
43.39Other building completion and finishing6
43.99Other specialised construction activities n.e.c.9

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Neighbouring classes

43.21 Electrical installation · 43.22 Plumbing, heat and air-conditioning installation · 43.24 Other construction installation

Use it

Convert a list of NACE Rev. 2 codes to Rev. 2.1 in your browser, or search all codes. The same data is available from the API and the MCP server.

Official classification texts from EU Vocabularies (Publications Office of the European Union, CC BY 4.0), read on 2026-10-05. Correspondence tables link classes that cover the same activities; one old class can be split across several new ones, so check the notes before you convert a dataset. Information only.