Brett Martin 115mm Deepflow Cast Iron Style Gutter available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone, Anthracite Grey, Chartwell Green and Porcelain White. The Cascade Half Round Gutter System uses 68mm Cascade Cast Effect Downpipes.
Gutter Flow Capacity Litres per second | Maximum Roof Area Area m sq | |||
Level | 1:600 | Level | 1:600 | |
Outlet at one end | 1.88 | 2.30 | 90 | 110 |
Outlet at centre | 3.75 | 4.58 | 180 | 120 |