I try to use the smallest grout lines the tile will allow.
Marble no grout lines.
It keeps moisture out of the substrate helps keep tile lines straight and prevents tiles from rubbing against one.
In most other tile i will use 1 16 or 1 8 inch lines.
I have never heard of this before.
Laying a marble floor without grout is possible so long as proper care is taken to assure your layout is perfectly square.
I have done two other baths in the past with the same material and both times we have had grout lines.
As you work be very careful to avoid the edges of the tiles themselves as you do not want to chip or scratch them.
How to lay a marble floor without grout.
For most granite and marble tile i install i use either 1 32 or 1 16 inch grout lines.
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.
Many homeowners prefer the appearance of ungrouted tile.
Marble tile no grout lines.
You will be butting the tiles up.
Grout works to prevent moisture and detritus from entering and getting stuck in the grout joints.
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.
Before installing your marble tiles without grout consider the function of grout and whether it is appropriate to eliminate the step.
Today my tile installer told me that you don t have grout lines with marble tile.