Specialised construction activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 43110 - Demolition (3835) 43120 - Site preparation (8214) 43130 - Test drilling and boring (806) 43210 - Electrical installation (74040) 43220 - Plumbing, heat and air-conditioning installation (65584) 43290 - Other construction installation (54025) 43310 - Plastering (13647) 43320 - Joinery installation (29448) 43330 - Floor and wall covering (16470) 43341 - Painting (25955) 43342 - Glazing (10209) 43390 - Other building completion and finishing (76397) 43910 - Roofing activities (25679) 43991 - Scaffold erection (9295) 43999 - Other specialised construction activities n.e.c. (88979)