Crater lake 3x12 design.
Tile floor no spacing.
12 by 24 tiles can have some bow to them instead of being perfectly flat when set on the floor they ll have a slight arch.
Spacing your tiles an extra mm apart can often save the majority of small cuts across the total length of a wall floor this can make a big difference.
Where the tile is being installed.
Most floor tiles are 8 inches by 8 inches but larger versions are available.
For example floor installations should consider using larger grout lines for more traction.
It keeps moisture out of the substrate helps keep tile lines straight and.
Grout is a necessary and integral part of many tile jobs for several reasons.
As a general rule floor tiles should have grout lines of 1 8 inch or larger depending on the type and size of tile.
How to lay tile without grout lines.
It follows that the maximum height of the arch will be midpoint of the tile or in your case at the 12 point of the long 24 edge.
Special types such as slate or quarry tiles often do not have edges uniform enough to look good with tight spacing.