Lydia from Build Show walks through installing USG paper-faced corner bead, a hybrid metal-and-paper product that needs taping compound rather than a finish mud. She covers cutting the bead with snips, handling the paper face carefully so it doesn't tear, and pulling it back before installation to avoid tucked paper causing problems later. She explains applying an even coat of compound, setting the bead from the center outward to keep it square, checking for twist against the framing, and wiping the paper down smooth without wrinkles or ridges. She also touches on timing the coat and dealing with beads that blister or lift off the wall.

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