I may have to get a tiler in to lay my calibrated slate. My lower back does= not seem to be sorting itself out after a few weeks. I started again on Sa= turday and though I'd take it easy so I laid 1 (yes "one") tile (600 x 400)= . That seems to have got me back where I started.
To a DIYer this is a disaster (!)
I wonder how much I'd have to pay for 20m^2 layed ? (I've got tiles + adhes= ive but no sealer or grout. Simon.