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IS 1200 – Part 9: Roof Coverings (Sheets/Tiles/Shingles)
1) Scope AC/GI/Aluminium sheets, tile roofing, shingles, including overlaps, ridges, hips. 2) Units m² (covering) m (ridges/hips/valleys) No. (roof accessories if specified) 3) Main Rules Laid area measured in plan…