6
Steel sheets; Iron, unwrought or semi-wrought; Steel alloys; Steel strip; Aluminium; Tinplate packings; Tinplate; Handcuffs; Wall linings of metal for building; Washers of metal; Junctions of metal for pipes; Branching pipes of metal; Porches [structures] of metal; Wall claddings of metal for building; Wall tiles of metal; Tree protectors of metal; Metal hardware; Prefabricated houses [ready-to-assemble] of metal; Drain pipes of metal; Cladding of metal for building; Paving slabs of metal; Nuts of metal; Screws of metal; Clips of metal for pipes; Tubbing of metal; Metal materials for construction; Aluminium foil; Upstands of metal; Roof gutters of metal; Roofing tiles of metal; Pantiles of metal; Eye bolts; Elbows of metal for pipes; Chimney pots of metal; Fences of metal; Gutter pipes of metal; Laths of metal; Roofing of metal, incorporating photovoltaic cells; Rivets of metal; Pins [metal hardware]; Flashing of metal for building; Weather- or wind-vanes of metal; Trays of metal; Preserve tins; Roof coverings of metal; Roof flashing of metal
17
Plastic film, other than for wrapping; Substances for insulating buildings against moisture; Insulating films; Insulating paper; Sealant compounds for joints
19
Bituminous coatings for roofing; Bitumen paper for building; Porches [structures], not of metal; Roof gutters, not of metal; Flashing, not of metal, for building; Geotextiles; Scantlings [carpentry]; Materials, not of metal, for construction; Slate; Insect screens, not of metal; Roofing tiles, not of metal; Roofing, not of metal; Roofing slates; Roof flashing, not of metal; Hips for roofing; Roofing shingles; Building paper
22
Awnings of synthetic materials
37
Carpentry services; Scaffolding; Construction; Building construction advisory services; Building construction supervision; Construction consultancy; Hardscaping services; Rental of construction and building equipment; Demolition of buildings; Building insulating; Building sealing; Warehouse construction and repair; Roofing services