The Front Door » This is a sideshot, closeup of the window
Look close and you can see that the pencil bevels closest to you are not tacked down yet. This is because Russ is still running Re-Stripping (a built in bracing component) between the bevels and the center panel. The copper colored roll you see is the copper Re-Sripping that fits neatly between the glassand the bevels adding support for this long window.