Our Exterior Range of Spiral Staircase Kits is ideal for outdoor applications, whether you want easy access to a balcony from your garden, or you are connecting a lower outdoor level to an exterior doorway, whatever your requirements you will find a great range of exterior spiral staircases in this section.OurExterior Range of Spiral Staircase Kitsis ideal for outdoor applications, whether you want easy access to a balcony from your garden etc