Polyjacking Vs Muddying

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Polyjacking vs. Mudjacking in Louisville, KY What are the benefits of polyjacking vs. mudjacking in Louisville, KY? Both polyjacking and mudjacking involve injecting material under the slab to raise sunken concrete back to normal. However, there are several differences that make one method better than the other. Polyjacking Polyjacking uses polyurethane to lift the surface. Polyurethane is a safe liquid polymer foam that is injected into small drilled holes. After the material is injected, it turns into foam and expands under the slab. Loose soils are stabilized and all voids are filled. Polyurethane takes up to 15 minutes to cure, then it is ready for immediate use. Polyurethane is lightweight, and weighs 2 to 4 lbs per cubic foot. It is