hanging a mirror on a new build and have hit something metal behind the plaster board. Its running vertically from top to bottom and is about 5" wide. there is no sockets or rads directly in line. there is no space between the plaster board and the metal so unable to get the wall plug in and don't want to carry on drilling until I know what it is. there is another one the same approximately 1 foot away. Could this simply be part of a metal framework?
Any advice would be greatly appreciated
