MarShield offers a premium line of Lead-Lined Welded Hollow Metal Frames that are that are used for radiation protection. Our frames are designed to provide the foundation and support for leaded glass or leaded acrylic. The frame provides a lead lined link between the glazing and the lead lined wall. Split type frames are available that allow the frames to be manufactured in two pieces, allowing the installer to fit the frame into the opening from both sides and fasten together to form a solid assembly.