Like what Trevor said it was adhered to the wall. Most likely a special glue that you can buy from hardware stores like bunnings. Look for a glue that has a Part A and a Part B and require you to mix them. They are more expensive and you get less than the normal stuff but they are worth it.
Trevor Brown Architects
damo_25
Related Discussions
Yay or Nay? Mirrored splashbacks
Q
Upkeep of aluminum or mirror splash-backs
Q
White glass or mirror splash back in kitchen??
Q
Mirror glass splashback- the good, bad and ugly?
Q