We like to use Corten as a rain screen material. That means it is used as an exterior wall panelling but set off from the structure with an air gap, allowing air to circulate completely around it. The outer material protects the (hidden) weatherproof layer of the building from rain and impact damage, but remains separate from the building structure.
We’ve also used it as a visual screen – fencing between the back patio and the alley – where it serves as both structure and cladding material of a fence that creates a tiny private niche out of an otherwise exposed area. The corten neatly bridges the divide between natural area concept of a patio and the slightly harsh industrial nature of a alley.