Abstract: The present invention relates to an article of manufacture and a method of how to utilize the same in order to create a radiation leak-proof environment. The present invention further relates to a metal stud configured with two holding cavities wherein the first holding cavity and the second holding cavity are constructed so that when a lead sheet is held in the first holding cavity and wherein a lead sheet is held in the second holding cavity the lead sheets overlap, and thereby, create a radiation leak-proof metal stud system.

Abstract: The present invention relates to an article of manufacture and a method of how to utilize the same in the metal wall panel industry. More particularly, the present invention relates the attachment of aluminum facial panels to exterior building construction. Even more particularly, the present invention relates to a universal fastening device utilized in the metal wall panel industry to support, to fasten and to attach architectural panels together creating a panel-to-panel assembly and subsequently attaching the assembled panels to the exterior surface of a building. The universal fastening device of the present invention is easily installed, since the same type of fastening device may be utilized on all four sides of the aluminum panel.