Sunken sidewalk slab.
A sunken sidewalk slab can cause a tripping hazard.
Polylevel Injection System.
Over time dirt under a concrete slab may compact or get washed away. Polylevel uses an expandable foam that fills the void and raises the piece into place.
Nexus Pro Joint Sealant.
The driveway joints have been sealed with the NexusPro joint Sealant.