Make sure you stick this on the right spot the first time because this tape has very strong adhesive.  Its a very shiny tape and feels pretty strong, although I did not use it in a heavy duty application.  I used it to make a reflective interior to a fishtank light ballast.  It does the job well and doesnt let any light escape.  I also have some heating ducts in the basement with duct tape falling off... I think I'll try my hand at replacing that with this tape and see how it holds up.