What’s the big diff? Polyjacking vs. Mudjacking
Polyjacking has many benefits of the traditional mudjacking. Polyurethane injections are much lighter than the grout mixture used in mudjacking. Concrete slabs settle due to a void underneath them.
In many cases the soil is still disturbed after the grout mix of mudjacking is inserted between the soil and the concrete slab. The shear weight of the mixture can cause additional settlement. Polyurethane weighs 250 to 300 pounds less per yard then traditional mudjacking material.
Learn more: https://www.polymagic.net/polyjacking-vs-mudjacking/