Replacing Shower Head

RVFun4Us

Well-known member
Replacing my Shower Head with a new one. Holding bracket is different and self-adhesive tape does not hold in place so want to screw the bracket into the shower wall just down from the original bracket. Should I be concerned about the backing material behind the shower wall? Do I need to locate a stud before drilling? Don't know the design of the shower and backing material so that is why I am asking.
 
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