Handling bending moments often requires working with bolstered materials, growing beam thickness, or including bracing for support. Generally, for small cantilever beams, the span is limited to two to 3 m. However the span may be increased either by expanding the depth or employing a steel or pre-stressed structural device. https://thebookmarkid.com/story19899809/5-tips-about-cantilever-staircases-you-can-use-today