Similar to the gap that can exist between your wall tile and tub you may have a space between the floor and your bathtub.
Gap between tile wall and tub.
Plus the designer originally had shoe molding around all the baseboard.
Webb chappell to tile around a tub or shower start by measuring the height of the back wall from the lip of the tub to the top of the area to be tiled.
If you ve got a gap of 1 2 inch or less after you tighten the spout as far as it will go the best way to erase it is to fill it with silicone caulk.
Caulking is the best choice for this application.
Divide the dimension in half and make a mark there.
There is about 1 2 inch gap between the tub tile that i would like to caulk h.
Probably the simplest way is to caulk the gap with 100 silicone or a urethane sealant.
If you have tile on the wall adjoining the tub select a caulk that matches the color of the grout.
This gap may widen over time as your home shifts.
If your gap is smaller than 1 8 inch in width use regular caulk.
First you would waterproof with your favorite liquid waterproofing membrane of choice.
Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall.
The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
In these photos i used a hydro ban.
Check if you need to adjust this mark to avoid laying slivers of tile at the top and bottom.
Fill the gap between the tile and the tub with caulk.
Fill gaps larger than 1 8 inch.
Apply it to the wall with the bottom edge about 1 4 in.
I found out that there is a gap between the tile and tub that would be too big for caulk.
Choose white caulk or one that matches the wall.
There should be a small gap between the backerboard and the tub.
Above the lip of the tub.
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.
Since you are joining two different materials together you should use caulk in the space where the floor tile and tub meet.
It s one of those things where in the grand scheme of things it isn t worth a battle especially since the way the designer laid out the tiles in the design there would have been a gap.