Specialised construction activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 43110 - Demolition (3596) 43120 - Site preparation (7702) 43130 - Test drilling and boring (756) 43210 - Electrical installation (68070) 43220 - Plumbing, heat and air-conditioning installation (60097) 43290 - Other construction installation (49116) 43310 - Plastering (12665) 43320 - Joinery installation (26998) 43330 - Floor and wall covering (15155) 43341 - Painting (23637) 43342 - Glazing (9597) 43390 - Other building completion and finishing (69984) 43910 - Roofing activities (22808) 43991 - Scaffold erection (8536) 43999 - Other specialised construction activities n.e.c. (81930)