External stairs need to be strong, sturdy and durable, able withstand the elements for years to come. Materials are critical to the longevity of an external staircase, for this reason we use Treated Pine or Class One Durability Hardwoods in timber or Galvanised and Stainless Steel. External stairs also offer you a certain level of design freedom, so talk to our experienced designers about the materials and designs available for your external staircase. See something you like below?