The small cantilevers have a span in between 2 m and 3 m. However, it is possible to raise the span by strengthening the depth or prestressed structural member or employing steel. Cantilever structures make it possible for for more open up Areas with no additional columns, partitions, or support. https://mixbookmark.com/story5400004/5-tips-about-cantilever-staircases-you-can-use-today