Cantilever staircases create a floating effect that looks incredible in any space. Made from structural steel a cantilever staircase creates an architectural art form and becomes a feature in any room. Each staircase is custom designed to individual requirements in residential, industrial or commercial projects. Manufactured onsite at our Western Sydney premises and distributed or installed across Australia. Sullo Engineering staff work with builders and architects to ensure all of our staircases are built to Australian Standards.