Exclusions: 110mm downpipe, 160mm downpipe, and 170mm guttering.
Brett Martin 112mm Half Round Gutter is a traditional rainwater system suitable for the domestic housing market. The Roundstyle system uses 68mm Round Downpipes and Fittings. It is available in five colours: Black, White, Grey, Brown, Arctic White and NEW Anthracite Grey.
| Gutter Flow Capacity Litres per second | Maximum Roof Area Area m sq | |||
| Level | 1:600 | Level | 1:600 | |
| Outlet at one end | 1.00 | 1.30 | 48 | 62 |
| Outlet at centre | 1.82 | 2.43 | 87 | 116 |
