Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall.
Large gap between floor tile and wall.
Big gap btw large shower floor and wall hi i have a large walk in shower that i wanted to recaulk.
This gap may widen over time as your home shifts.
Similar to the gap that can exist between your wall tile and tub you may have a space between the floor and your bathtub.
These gaps exist between tiles that are on the floor as well as between tiles where the floor and the wall touch.
As with any other gap near your bathtub you ll want to close the opening to prevent any possible water damage or the onset of mold and mildew.
Current trends are moving towards leaving much smaller grout lines between tiles.
Caulking is the best choice for this application.
The overall finish of your job really does depend on your own personal style.
The tile council of north america recommends at least a quarter inch gap between the tile floor and the walls.
For smaller tiles is advisable to use small spacers.
The large format 18 inch tiles should have inch space in between.
Caulk between the wall and tile.
I have attached a picture to give a better idea could someone please tell me what the best way is to fill these gaps and what material i should use.
As the tiles increase in size a larger gap becomes acceptable.