Polylevel Injection.
Polylevel Injection was used to raise this patio slab.
Polylevel Injection.
Polylevel Injection is an expandable foam that is injected under a slab.
Polylevel Injection.
As the foam expands it raises the slab. The Polylevel foam cures quickly so the patio will be ready to be used in a short amount of time.