OMG.. you really are a re***d.. READ THE POST..... '' tiles IF securely fixed '' and a substrate is a surface that is usually recieving some kind of coating.. ie. tiles... dont be jealous, just because I am helping people look at tiling '' in my garage '' maybe you should come.. try and gain some experience before talking bollox aswell... yes, we know its better to strip the paper. ( you keep going on about this.. is it because its the only thing you actually know ? ) but back to reading the posts properly.. ITS ONE OF MY OWN FUKIN PROPEERTIES.... FFS... so if it fails, its no big deal...jesus fukin wept..