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F Masonry

F30 Accessories/ sundry items for brick/ block/ stone walling: 8, 17, 48, 132, 171, 175, 330
G Structural/Carcassing metal/timber

G20 Carpentry/ timber framing/ first fixing: 97, 900
H Cladding/Covering

H31 Metal profiled/ flat sheet cladding/ covering: 10, 110, 120, 150, 160

H43 Metal composite panel cladding/ covering: 30, 160

H60 Plain roof tiling: 47, 86, 87, 345, 355, 365, 605, 840, 850, 870

H61 Fibre cement slating: 47, 50, 86, 87, 345, 355, 365, 405, 605, 840, 850, 870

H62 Natural slating: 47, 86, 87, 345, 355, 365, 605, 840, 850, 870

H65 Single lap roof tiling: 47, 86, 87, 355, 365, 605, 840, 850, 870
J Waterproofing

J42 Single layer polymeric sheet roof coverings: 10, 110, 130
L Windows/ Doors/ Stairs

L20 Doors/ shutters/ hatches: 630