6
Common metals and their alloys; Metal building materials; Framework of metal for building; Framework scaffolding of metal; Metal railings; Parts of metal for anchoring, fastening, fixing and drainage inside and outside constructions, buildings and civil engineering works, to the walls, roofs, roof terraces and terraces of buildings
19
Building materials (non-metallic); Non-metallic rigid pipes for building; Asphalt, pitch and bitumen; Non-metallic transportable buildings; Framework for building, not of metal; Frameworks of wood; Buildings, not of metal; Scaffolding, not of metal; Weatherboarding and cladding not of metal for building construction; Fittings not of metal for gardens, roofs, roof terraces and terraces (pergolas, barriers, fences, mesh, trellises, gates); Building glass; Insulating glass [building]; Concrete; Stained-glass windows; Wood for building; Manufactured timber; Supporting members, frames, profile sections, sheet metal parts, rods, posts and bollards not of metal for building construction; Building materials for roofs and walls, not of metal, for buildings; Weatherboarding and cladding not of metal; Drainage parts not of metal inside and outside constructions and terraces of buildings
20
Anchoring devices not of metal and fastening devices not of metal for use on walls of civil engineering works; Anchoring devices not of metal and fastening devices not of metal for use on roofs and terraces of buildings
37
Construction, restoration and repair of buildings, structures, works of art and traffic routes; Building construction supervision; Demolition of buildings; Rental of construction equipment; Cleaning of buildings (interior), windows, buildings (external surfaces) and roads; Elevator installation and repair; Burglar alarm installation and repair; Repair of security locks; Rustproofing; Masonry; Plumbing; Plastering and painting; Paper hanging; Insulation services; Fitting of sealing and insulating materials for building construction; Chimney sweeping; Drilling of wells; Construction and repair information