Metal stud partitions called GL1 GypLyner Lining Channel are used to create the GypLiner Universal stud wall framework. They are made of steel, which is a flexible, sturdy, and easy-to-use material. The studs and plasterboard linings work together to provide excellent acoustic and thermal efficiency. To meet the needs of the metal stud wall, GL1 GypLiner Lining Channel is available in a range of thicknesses and lengths.