Concrete is a very heavy material, and when you have thick slabs sitting on top of unstable soil, you could see some pretty large cracks as a result. In the before picture, if you look just under the blue line, you can see how the slab is slanted downwards towards the left. We were able to level the slab by injecting the left side with our PolyLevel foam. Our foam gets injected underneath the concrete, and is strong enough to raise the slab back to where it originally was. We then seal everything with our concrete sealers, which will cover everything up.
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