Onda is a steel staircase, here offered in a spiral version, suitable both for residential and public use. Onda is part of the Executive design stairs collection and, in tune with the concept of custom staircases, has various options for choosing materials, colors and finishes: glass, woods and metals are all options that can give character to the project and the product according to the style and décor of the house. The configuration is also a choice between a two-flight staircase and a spiral staircase. The essential shapes of these contemporary staircases make them suitable for use in classic environments and furnishings.