Never fill this gap with grout because tile grout is not flexible.
Gap between floor tile and wall.
Any gap should never be greater than 1 8 inch.
Gaps between each tile can vary but wall and floor should be gap free 2011 10 27t20 55 03 01 00 answered 27th oct 2011.
However it will eventually fail in one of two ways.
It shows how to seal a gap in the corner where the tile floor.
The water being blocked by the sealant will find another gap in your foundation to enter the home.
Your walls and floors are pretty stiff but there can be movement between the two that will crack the grout.
In the short term a sealant applied along this gap between your basement floor and wall may prevent leakage.
Caulking is the best choice for this application.
Whenever tile has a right angle like that grout is prone to fail so caulk is used.
Ceramic tile wall gap back of tile should rest on finished wall.
However it s not that simple.
Typically this will be cracks in your foundation.
Tile stores generally sell caulks that match the grout.
Get photos of great finish details include photos with bid and contract.
There shouldnt be a gap between wall and floor.
Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall.