What about the Expoxy glue - Would that possibly work on it's own?
There is a very tight gap between the pipe and the wall... I was only able to use that black tape as a temporary measure, as the tape roll was small enough for me to wrap between the pipe & the wall.
You can cut a length of amalgamating tape off the roll, so that you can get it behind the pipe.
I wouldn't use the Epoxy I don't think. The tape is easily removed, whereas the Epoxy may not be.
As above though, see what your landlord says.