Before PolyLevel 1
You can see the cracks in the slab as a result from sinking.
After PolyLevel 1
After a PolyLevel injection the result is a more leveled slab. This photo is after the client installed their new floor.
Before PolyLevel 2
You can see the crack in the slab where the concrete was sinking in the hallway.
After PolyLevel 2
This is after the PolyLevel in the hallway from a different angle.