Small cracks may also be visible in.
Is there a void under basement floor.
Slabjacking is used to prevent everything from porch floors to patios and basement floors from shifting.
Sometimes floor number 1 may be the lowest basement level.
As the floor slab heaves slightly usually after repeated heavy rains or due to the spring thaw it can crack and will rarely recede all the way back to its original position.
The void that you are feeling is normally caused by repeated heaving and deterioration of the basement floor slab over many years and some erosion of the sub slab soil.
Garage floors show the least visible sign that there is a void under them.
There may also be a storage floor called cellar below lower ground.
Tile is available in many different sizes and styles and the price range is equally broad.
When you drive over a void you will hear the shallowness of the space under the floor.
In this situation the lower level is called lower ground the main floor is called upper ground and floors above it are numbered serially from 1.
Installing a tile floor in all or part of your basement lets you have some fun with design while still quickly covering up existing concrete floors.
You may also feel a slight tremor in the concrete as well.