Zinc Downpipe 75mm diameter offset allows you to adjust the length required. It is a great choice for a modern upgrade to a traditional building or to complement a contemporary design. With Zincalume steel, you don’t have to worry about Rust, corrosion-resistant, and damage due to debris or fire. There is a wide range of colors available in Zincalume steel to match or contrast with your roof. Steel and tile roofs are compatible with them. Installs quickly and easily on both tiled and metal roofs.