Grout is necessary.
How to lay ceramic tile without a grout line.
It can chip become stained and create a grid effect on an otherwise smooth tile installation.
If you want the job to last then you need to use grout.
I try to use the smallest grout lines the tile will allow.
Grout lines however are important for a few reasons.
How to lay tile without grout lines.
How to lay ceramic tile without grout.
Grout can become dingy looking quickly making a tile installation look old.
It keeps moisture out of the substrate helps keep tile lines straight and.
Groutless tile has a higher chance of breaking meaning that you would need to resume the work.
Very few homeowners like the look of grout.
There are cases when laying tile without grout will probably leave the job looking a lot better.
If your tile project is in a dry area you can install a specific kind of ceramic tile without grout.
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.
They help keep your tiles in straight lines and prevent damage from the tiles rubbing against one another.
It takes up a lot of time and it requires meticulous work.
For most granite and marble tile i install i use either 1 32 or 1 16 inch grout lines.