Datum line
A level line marked on the wall that the tiling is set out from.
Floors and bath edges are rarely level, so tilers work from a datum line about one tile up, usually with a batten fixed along it, and cut the bottom row to fit last.
A level line marked on the wall that the tiling is set out from.
Floors and bath edges are rarely level, so tilers work from a datum line about one tile up, usually with a batten fixed along it, and cut the bottom row to fit last.