Slabjacking is used to prevent everything from porch floors to patios and basement floors from shifting.
Is there a void under basement floor.
Small cracks may also be visible in.
Sometimes floor number 1 may be the lowest basement level.
You can usually tell there is a void under your garage floor by hearing it or feeling it.
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.
There may also be a storage floor called cellar below lower ground.
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.
Filling hollows under a concrete floor is done through a process called slabjacking.
Tile is available in many different sizes and styles and the price range is equally broad.
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.
When you drive over a void you will hear the shallowness of the space under the floor.
You may also feel a slight tremor in the concrete as well.