As the tiles increase in size a larger gap becomes acceptable.
Gap between wall and floor tiles.
How to space between ceramic tiles.
Not filling the gap can allow water to migrate undeneath the tiles.
Ceramic tiles are available in a variety of sizes.
The tile council of north america recommends at least a quarter inch gap between the tile floor and the walls.
The overall finish of your job really does depend on your own personal style.
It shows how to seal a gap in the corner where the tile floor.
For smaller tiles is advisable to use small spacers.
Current trends are moving towards leaving much smaller grout lines between tiles.
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Caulking is the best choice for this application.
The d i y video how to seal a big gap between tile floor and tile wall in a bathroom or shower.
It might loosen them and might rot the floor.
The large format 18 inch tiles should have inch space in between.