In the twentieth century, steel became a popular material for gutters because of its resistance to rotting and its strength. When aluminium became available for industrial uses, it became the popular choice for guttering because of its light weight and durability. Seamless gutters originated in Canada and the USA in 1960. The invention of seamless aluminium guttering changed the situation completely. A machine was developed that held a roll of aluminium, called a gutter coil,