![Level on Concrete](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168529-5a62198c54e0b_polylevelblackduck9.jpg?v=1516376884)
Level on Concrete
This is the level after the installation was complete.
![During the installation](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168530-5a621993e2ef4_polylevelblackduck7.jpg?v=1516376884)
During the installation
Polylevel is installed through small drilled holes.
![Sunken Concrete Slab](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168531-5a62198a9dcad_polylevelblackduck6.jpg?v=1516376884)
Sunken Concrete Slab
The slab sank resulting in the steps leading to the door not sitting correctly.
![Uneven Spacing Due to Sunken Concrete](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168532-5a62198e35080_polylevelblackduck3.jpg?v=1516376884)
Uneven Spacing Due to Sunken Concrete
Since the concrete sank on one end, it created uneven spacing shown along the wall.
![Crack in the concrete](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168533-5a621991b110b_polylevelblackduck1.jpg?v=1516376884)
Crack in the concrete
Besides the slab sinking, it also cracked.
![Leveled concrete](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168534-5a62198fc6ffc_polylevelblackduck8.jpg?v=1516376884)
Leveled concrete
This is following the installation; the distance between the floor and the drywall is evenly spaced throughout the garage.