This class includes many different activities that contribute to the completion or finishing of a construction such as glazing, plastering, painting and decorating, floor and wall tiling or covering with other materials like parquet, carpets, wallpaper, etc., floor sanding, finish carpentry, acoustical work, cleaning of the exterior, etc. Also repair of the same type as the above mentioned activities is included.

Exclusions: The installation of self-manufactured carpentry or joinery is classified in the relevant category in manufacturing, depending on the material used, e.g. of wood in 2022 (Manufacture of builders' carpentry and joinery).

Cleaning of windows, inside as well as outside, chimneys, boilers, interiors, etc., is classified in class 7493 (Building-cleaning activities).