The code deals with three main types of aluminium corrugated and troughed sheet used for the roofing and cladding of buildings. Information is given on fixing accessories, contact with other materials, weathering, thermal insulation, fire resistance and condensation. Its recommendations deal with minimum pitch side and end laps and methods of fixing; laying techniques are fully described. Tables of recommended load requirements, diagrams of sheet profiles and tables of section properties and weights are given in an appendix.Cross References:BS 569BS 1091BS 1205BS 1430BS 1431BS 1470BS 1471BS 1472BS 1473BS 1474BS 1475BS 1476BS 1477BS 1490BS 1494BS 1543BS 2465BS 2717BS 2855CP 3:Chapter VCP 231