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

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Last update on September 23, 2025

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Avatar for CMT Construction
CMT Construction
4.7(
3
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Sitka, AK and surrounding areas

In business since 2000

Free estimates

"Great. I was very happy. I liked how he was prompt, he was very cleaned in the site, and the finished of the work that he did was great."
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Recommended by100%of homeowners
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Concrete Leveling questions, answered by experts

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.

The timeframe is generally a few hours, allowing for immediate use post-hydration, ensuring minimal disruption to surrounding activities.

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.

Most houses are expected to settle over time, but foundation sinking of more than a few inches or uneven sinking of more than an inch for every 20 feet is cause for concern. Any significant or uneven sinking should be assessed by a professional to determine the cause and perform any necessary repairs. 

Polyjacking can be a permanent solution to sunken concrete if you also address the underlying issue—like poor drainage—at the same time. The polyurethane material itself can last as long as or even outlast the concrete you’re lifting it with. Your sunken concrete issue will likely return if you don’t couple polyjacking with proper drainage to prevent future soil movement and sinking.

The Sitka, AK homeowners’ guide to concrete leveling services

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

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