Exterior welded aluminum stairs add the perfect finishing touch to any deck or lanai, while adding beauty and accessibility. Built to last the harshest environments, the aluminum used will resist rust. All seems are welded together allowing no water in and surfaces are heavily powder coated with a marine grade finish to give this stair incredible durability. The welded aluminum stair is delivered assembled and ready to be installed in place. These stairs are also built to meet any diameter or height required while allowing the freedom to design your stair from start to finish. In addition we offer welded aluminum railing to go with your spiral stair order.