If the mirror is to be fixed in the middle of a wall then battens etc cant be used without fixing them.. A small tip.!!.. Use gaffer tape .. top & bottom to hold it ..fix mirror with mirror mate..( make sure tiles are clean ).leave to set and pull tape off..
Trade Mate Mirror Adhesive (White)
310ml. For fixing mirrors, coated glass and metal panels onto substrates. Outstanding resistance to heat and humidity.
