Specialised construction activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 43110 - Demolition (3835) 43120 - Site preparation (8215) 43130 - Test drilling and boring (807) 43210 - Electrical installation (74065) 43220 - Plumbing, heat and air-conditioning installation (65609) 43290 - Other construction installation (54043) 43310 - Plastering (13650) 43320 - Joinery installation (29455) 43330 - Floor and wall covering (16476) 43341 - Painting (25956) 43342 - Glazing (10210) 43390 - Other building completion and finishing (76420) 43910 - Roofing activities (25689) 43991 - Scaffold erection (9300) 43999 - Other specialised construction activities n.e.c. (88995)