Polylevel Injection.
This concrete slab has sunk over the years and needs to be raised back up to the original position. In the corner on the right, you can see the space between the slab and where the brick starts.
Polylevel Injection.
The concrete slab has been raised back up to the original position. In this picture, you can see that there is no longer a space between the concrete and the brick.
Polylevel Injection.
The sidewalk and step have been raised using Polylevel Injection.