Use a pest resistant foam sealant for sealing exterior gaps and holes since mice can eat through some types of sealants.
Gap between wall and garage tile.
The tile council of north america recommends at least a quarter inch gap between the tile floor and the walls.
When you install ceramic tile on the floor you must take care to create an expansion joint between the walls and the tiled floor.
Also check concrete supply centers as backer rod is used to fill gaps in poured concrete walls.
This gap is called a cove joint and the reason there is a gap between the wall and the floor is simply because of the way that the foundation of the home got poured.
Use around electrical outlets exterior pipes and window jambs.
The best exterior caulk for blocking large pest holes.
If you have tile on the wall adjoining the tub select a caulk that matches the color of the grout.
If your gap is smaller than 1 8 inch in width use regular caulk.
Ceramic tile wall gap back of tile should rest on finished wall.
The line will continue maintaining caulk gap regardless of the gap of the wall to counter.
Push the appropriate size backer rod into the gap below flush with the surface.
Your tile person will take the largest gap and run a tape line using that as the thickness or the caulk.
Caulking is the best choice for this application.
You see in the early stages of building a home the basement is constructed first excavated to the desired depth.
I thought of filling it with concrete or a sealer but then thought that maybe it was there for a reason.
A polyurethane spray foam insulation that expands to fill larger gaps and holes.
Fill gaps larger than 1 8 inch.
Never fill this gap with grout because tile grout is not flexible.
Fill larger gaps with foam backer rod sometimes called spline.
However it will eventually fail in one of two ways.
I have a attached garage with a cement floor.
Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall.
The water being blocked by the sealant will find another gap in your foundation to enter the home.
Any gap should never be greater than 1 8 inch.
In the short term a sealant applied along this gap between your basement floor and wall may prevent leakage.
This can be found at well stocked hardware stores but not always at large home improvement centers.