Any gap should never be greater than 1 8 inch.
Floor tile gap from wall.
And after installing the floor tile you can install that final or first row of wall tile.
A drain tile system is the most commonly recommended solution for leaky cove.
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.
However it will eventually fail in one of two ways.
Some like to use a ledger or other space saver to indicate where your missing row should be.
Silicone caulk is generally clear in color.
Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall.
Never fill this gap with grout because tile grout is not flexible.
If you re fixing a gap between a tile floor and wall such as in a shower or a bathroom go with a silicone caulk so you can create an airtight waterproof seal.
Ceramic tile wall gap back of tile should rest on finished wall.
Look for silicone caulk at home improvement stores hardware stores and online.
So to accommodate the flooring tile many like to leave a small gap between the last row of wall tile and floor.
The water being blocked by the sealant will find another gap in your foundation to enter the home.
Or fill the gap with grout.