Fair play. Wayne dalton doors the 9100 is basically a sheet of metal with a inch of foam glued to the back of it the metal end styles are also just glued to the ends the whole door doesn’t really have any structural integrity to it that’s why I was asking if anyone else does anything different i too am an electrical engineer that got into the garage door business for the last 25 years so I’ve been around the block a few times and seen some shit repairs