Provided is a hanger for installing a workpiece on a structure, and the method of installing the workpiece using the hanger. At least one embodiment of the hanger includes a first part adapted for removably attaching the hanger to a structure; a second part adapted for supporting a second workpiece in position for installation on the structure; and a third part adapted for properly spacing the second workpiece in relation to a previously positioned first workpiece that is already installed on the structure, wherein the third part is adapted to be moveable in relation to the second part.