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