![Uneven Concrete Slabs](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/185782-5b2137416fca7_721c1509-26b8-48f6-892c-ad8734b0a10e.jpg?v=1528903093)
Uneven Concrete Slabs
Uneven slabs like this can cause water pooling, look bad, and can cause tripping and toe stubbing problems.
![Close Up of Leveled Slabs](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/185781-5b21373fa90aa_a6840480-f773-42d6-9cdf-4c07d87fb222.jpg?v=1528903093)
Close Up of Leveled Slabs
Level concrete slabs are safer and allow for better drainage.
![Full Driveway with Uneven Slab](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/185783-5b21373d520ce_dd09a202-18b6-4980-a0d8-eca53dcfb891.jpg?v=1528903093)
Full Driveway with Uneven Slab
Once the slab has sunk a significant amount it can be seen from farther away. It can also cause problems for the slabs around it as it pulls the dirt from under them too.
![Leveled Driveway](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/185780-5b21373b76812_f57bfac3-b8de-4244-9fd6-16cd8f641b18-1.jpg?v=1528903093)
Leveled Driveway
After PolyLevel the holes are filled and barely noticeable. NexusPro is added between slabs to allow for expanding in the heat and cold.