Cold formed metal framing consists of structural and non-structural elements that are shaped using press braking or roll forming. No heat is used in either formation method. Cold formed metal framing includes structural metal stud framing , slotted channel framing, and cold formed metal roof and floor joist framing , as well as all metal support assemblies . Over the past several decades, the use of cold formed metal framing has increased in the residential and multi-family market. Cold formed metal framing provides designers with as much, if not more, flexibility as wood framing .