Open-cell foam is characterized by its softer texture, lower cost, and excellent sound dampening properties. In contrast, closed-cell foam is more dense, provides additional structural support, and offers water resistance.

The curing time can vary, but typically, re-entry is possible after 24 to 48 hours. It's important to note that some odor may persist for a period after initial curing.

Concrete slab sinking is primarily caused by soil movement. This can occur due to inadequate soil compaction during initial construction, soil erosion resulting from improper drainage systems such as misaligned downspouts, or underground tunneling by rodents.

For most residential projects of average size, the mud jacking process can be completed within a few hours to one full day. This is considerably quicker than the time required for complete concrete replacement.