Roof drainage

BS 8490:2007 Guide to siphonic roof drainage systems


BS EN 12056-3:2000 Gravity drainage systems inside buildings. Part 3: Roof drainage, layout and calculation


BS EN 607:2004 Eaves gutters and fittings made of PVC-U. Definitions, requirements and testing


BS EN 612:2005 Eaves gutters with bead stiffened fronts and rainwater pipes with seamed joints made of metal sheet


BS 9101:2017 Steel and aluminium rainwater systems. Specification