skimming over tilebacker

Hi all, Would just like to run my plan of attack for my new upstairs shower room past some people with experience! I've trawled the internet and think I've came up with the right order for doing things. Any info or advice is more than welcome! Shower room has vapour board around all...

We are remodelling our bathroom, taking all back to brickwork. Fitting shower enclosures and wanting to make it warmer. Therefore going to clad walls and floor with tile backer board, namely Qboard from B&Q. Have read numerous conflicting accounts of fitting these panels, from battening out...