Salter Spiral Stair is a leading manufacturer of spiral stairs. We manufacture spiral stairs out of Steel, Aluminum, Wood, and Galvanized Steel. We ship stairs throughout the 50 states including Canada and many islands. Our stairs make excellent visual pieces inside a home and are practical since they take us less space than a conventional stair. Additionally, our outdoor stairs offer excellent access off of decks or balconies and can withstand the harsher conditions including applications next to beaches and salt water.