Content Page: 85 Rain-Water Gutters And Down-Pipes

(1) The roof of every building shall have proper rain-water gutters and down-pipes constructed in either: a) galvanized sheet steel not less than 0,55 millimetre in thickness; or b) aluminium or aluminium alloy not less than 0,7 millimetre in thickness; or c) copper not less than 0,7 millimetre in thickness; or d) asbestos-cement not less…