Brett Martin 170mm Deepflow Cast Iron Style Industrial Gutter is available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Anthracite Grey, Chartwell Green and Porcelain White. The High Capacity System uses 105mm Round Downpipe or 100mm x 75mm Rectangular Downpipe.
Gutter Flow Capacity Litres per second | Maximum Roof Area Area m sq | |||
1:600 | 1:600 | |||
Outlet at one end | 5.12 | 244 | ||
Outlet at centre | 10.24 | 488 | ||
1:350 | 1:350 | |||
Outlet at one end | 5.77 | 275 | ||
Outlet at centre | 11.54 | 550 |