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*The Angi rating for Concrete Mudjacking companies in Ontonagon, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Mudjacking needs.

*The HomeAdvisor rating for Concrete Mudjacking companies in Ontonagon, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Mudjacking needs.

Last update on February 05, 2026

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Concrete Mudjacking questions, answered by experts

Charges correlate with surface size, settlement depth, and access, often yielding significant savings over concrete replacement.

Pros often use mudjacking or polyurethane foam injection to level a sunken concrete patio. Both methods lift the slab by filling voids beneath it. After properly compacting the soil beneath it to prevent future settling, the concrete may need to be removed and re-poured for severe sinking.

Polyjacking and mudjacking can both be effective solutions for sinking concrete, but they have key differences. Polyjacking, which uses expanding polyurethane foam, is often considered a better option because the foam is significantly lighter than the cementitious material used for mudjacking. This reduced weight puts less pressure on the underlying soil and lowers the risk of future sinking. Polyjacking is suitable for any sinking concrete slab, while mudjacking is typically only recommended for non-structural concrete, such as sidewalks, patios, pool decks, and driveways. The primary drawback of polyjacking is its cost, which can be up to four times higher than mudjacking—as much as $25 per square foot compared to a maximum of about $6 per square foot for mudjacking.

Address drainage issues, avoid heavy loads, and seal cracks to prevent future settling.

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The total drying time can vary depending on the size of the project. Because the slurry mixture contains cement, it needs to harden fully to prevent the concrete slab from shifting under added weight. You should avoid walking on the concrete or placing heavy items like furniture or vehicles on the surface until it has fully set. Your concrete contractor can provide a precise timeline. As a point of comparison, if you opt for polyjacking, the polyurethane foam can dry in minutes, but it's recommended to wait about an hour before use.

The Ontonagon, MI homeowners’ guide to concrete mudjacking services

From average costs to expert advice, get all the answers you need to get your job done.

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