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.
Gap between floor tile and wall.
Tile stores generally sell caulks that match the grout.
You can try and maybe nothing will happen but if it cracks you will have to dig it out.
Never fill this gap with grout because tile grout is not flexible.
Any gap should never be greater than 1 8 inch.
Get photos of great finish details include photos with bid and contract.
In the short term a sealant applied along this gap between your basement floor and wall may prevent leakage.
The tile council of north america recommends at least a quarter inch gap between the tile floor and the walls.
Caulking is the best choice for this application.
However it s not that simple.
Ceramic tile wall gap back of tile should rest on finished wall.
Whenever tile has a right angle like that grout is prone to fail so caulk is used.
Typically this will be cracks in your foundation.
Your walls and floors are pretty stiff but there can be movement between the two that will crack the grout.
Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall.
However it will eventually fail in one of two ways.
The water being blocked by the sealant will find another gap in your foundation to enter the home.