Unlevel Sidewalk slabs.
Small holes are drilled into the slab and the Polylevel Foam is injected under the slab. The foam expands, fills the void underneath the slab, and raises it up.
Polylevel.
This sidewalk slab had sunk making it a high step up to the door.
Sunken pario.
This patio slab had sunk making it uneven with the sidewalk. We used Polylevel Injection to raise it to be level again.