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*The Angi rating for Concrete Mudjacking companies in Thompson Falls, MT 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 Thompson Falls, MT 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 October 25, 2025

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RV Douglass, Inc.
New to Angi
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Thompson Falls, MT and surrounding areas

In business since 2010

Free estimates

Credit card accepted

RV Douglass, Inc., is your go to for all of your concrete needs! Our dedicated crew has a no-nonsense policy when it comes to getting the job done right the first time, and every time! We are committed to your satisfaction, and we love seeing the look on our customers faces when they see the results we provide! Give us a call today!

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Morris Paint and Coat
New to Angi
Concrete - Injection Leveling - Mudjacking

Serving Thompson Falls, MT and surrounding areas

In business since 2021

Free estimates

Morris Paint and Coat sustains our business on quality and integrity. We are experts in our trade and our commitment to quality from beginning to end of your project. We look forward to earning your business. Call us anytime with any questions you may have. If you're looking for anything painting or refinishing projects then Morris Paint and Coat is your best choice!

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Concrete Mudjacking questions, answered by experts

There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.

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.

Generally speaking, push piers—or steel piers—are the best option for underpinning, as they reach down to solid bedrock to find support for your foundation rather than relying on soil, which could be subject to the same issues as the soil directly below your foundation. However, the best underpinning method for your home depends on your location, how far down the bedrock is, and the type of soil in your area. Helical piers are usually the best option for sandy soil or in areas where the bedrock is too deep to use steel piers.

Mudjacking is suitable for sidewalks, driveways, patios, and nearly all exterior flat structures. However, it may not suit severely damaged or heavily cracked areas.

The Thompson Falls, MT 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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