Specialised construction activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 43110 - Demolition (3699) 43120 - Site preparation (7895) 43130 - Test drilling and boring (775) 43210 - Electrical installation (70243) 43220 - Plumbing, heat and air-conditioning installation (61982) 43290 - Other construction installation (51054) 43310 - Plastering (13054) 43320 - Joinery installation (27832) 43330 - Floor and wall covering (15649) 43341 - Painting (24615) 43342 - Glazing (9826) 43390 - Other building completion and finishing (72376) 43910 - Roofing activities (23965) 43991 - Scaffold erection (8824) 43999 - Other specialised construction activities n.e.c. (84476)