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Simplifying the science –size guide - Drainage Central
BS EN 12056-3:2000 Gravity drainage systems inside buildings. Roof drainage, layout and calculation (AMD 17041), 2000. Rainline gutters are available in two shapes and five sizes. Half Round: 100mm, 125mm, 150mm, 190mm and Rectangular 136mm. Downpipes are available in four sizes: 75mm, 87mm, 100mm and 120mm. Half round gutters (R) Size (mm) D ...
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