I have done two other baths in the past with the same material and both times we have had grout lines.
Marble no grout lines.
Marble tile no grout lines.
I have never heard of this before.
You will be butting the tiles up.
For most granite and marble tile i install i use either 1 32 or 1 16 inch grout lines.
The best thing to do is use the smallest grout line your particular tile will allow and get a grout that closely matches the tile.
I try to use the smallest grout lines the tile will allow.
How to lay a marble floor without grout.
I am redoing a master bath and we will be doing cararra marble.
Grout works to prevent moisture and detritus from entering and getting stuck in the grout joints.
In most other tile i will use 1 16 or 1 8 inch lines.
Today my tile installer told me that you don t have grout lines with marble tile.
It keeps moisture out of the substrate helps keep tile lines straight and prevents tiles from rubbing against one.
This can kick up a lot of grout dust so make sure the area is well ventilated.
Before installing your marble tiles without grout consider the function of grout and whether it is appropriate to eliminate the step.
Using a grout saw or an electric tool such as a dremel with an appropriate attachment begin to remove the grout from between the marble tiles.
As you work be very careful to avoid the edges of the tiles themselves as you do not want to chip or scratch them.