Share 'What's the best way to apply a decal to coroplast?'

Hi all,   I was wondering how you apply a decal/vinyl to Coroplast if the image is 1 solid piece? I can understand that if it was multiple pieces, you'd use some transfer tape to make aligning the images easier, but if it's one solid piece, would you still need transfer tape?   Could the decal be applied like in Steve's Seramark installation video....cut the center of the backing material, hold i…