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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

Most states and municipalities don’t require concrete mudjacking companies to carry a specific license, but they usually need to have a general contractor’s license, and they should be fully insured. The only exception is if the mudjacking company provides foundation repairs as well, or if it offers mudjacking for home foundations. In that case, they will typically need a foundation repair contractor’s license. You can check state requirements and then use Angi’s license lookup tool to confirm that a company is properly licensed to provide mudjacking services in your area.

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

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The exact time can vary depending on the size of the project. Because the slurry mixture contains cement, it must fully harden to ensure that added weight from walking, furniture, or vehicles won't shift the concrete slab. A professional contractor can advise you on when the surface is safe to use. For comparison, if you use polyjacking instead, the polyurethane foam can dry in just a few minutes, but it's best to wait about an hour before use.

The polyurethane used for polyjacking will expand and cure in 15 to 30 minutes. After that point, your slab will be safe to walk on and even drive on in the case of a sidewalk or concrete driveway. Double-check with your concrete lifting specialist to confirm a curing timeline, as products can differ.

A good slump height really depends on the project, but there is a use for nearly all slump levels. For example, low slumps are best in projects that require structure, such as curbs and roads. High slumps often require additional reinforcement, but they flow more freely into hard-to-reach spaces.

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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