The front porch concrete slab is settling.
You can see that the concrete slab is much lower than the top of the brick. This is because it has begun to sink.
The gap has been closed
You can see that the concrete is back level with the top of the brick
The porch was raised across the front of the house
PolyLevel was strategically pumped in different areas under the slab to raise is all the way down the length of the porch.
Injecting the PolyLevel foam
The foam is pumped through a small hole and it will fill underneath the concrete and then begin to lift it to the desired position.
The porch is raised back to it's original position
The PolyLevel foam was pumped in different areas to evenly lift the slab the entire length of the porch