Herringbone tiling is almost without doubt the most difficult tile design to fit, and when it’s done on a wall 8 meters long and 2.8 meters high with tiles measuring 10 cm by 30 cm, it becomes a bit of a challenge, to say the least :) The key to tiling it is to make sure the start is absolutely perfectly flat, and then the first rows of tiles have to be fitted with exactly the same spaces