Just to clear up that earlier misnomer. It wasn't Duckboard :oops:, it was Dukkaboard. Evidently this is pretty similar to Marmox. Anyway, as ever, a question or three:
1. The wall to be tiled is 1,850mm x 650mm. The Dukkaboard panels are 1300mm x 600mm. The total surface area of the wall...