I do dish installs. That is an unapproved mount and an immediate fail if your install would get checked. And IMHO not safe. There is plenty of room on that roof to to a proper install with the proper mast.I would guess the customer didn't want anymore holes in his roof. A proper install will not leak.With all the complaints about how dishs are installed by unqualified installers I honestly dont see how this could or should be considered a good install.Once I work on a system according to the dish people I own that install.For me I would walk away. Someone else can own that install.