The Polypipe Half Round Gutter Black is used as a part of an integrated guttering and downpipe system, which is ideal for houses, smaller commercial buildings and offices. The product is 4m long and 112mm wide, with a diameter of 74mm. Manufactured using PVC the product is light weight, quick and easy to cut and join, while requiring minimal maintenance making it cost-effective. PVC additionally makes the product robust and durable since it has high levels of water resistance. The product comes with a plastic finish which makes discreet installation easier and gives the area used an aesthetically pleasing look. It has a capacity per outlet of 2.54 litres/sec, thus it can easily drain roof areas up to 122m2 with a single downpipe.