Cracked Foundation Concrete Slab: What to Do Next
A crack in the concrete slab that forms your foundation is a different matter than a crack in a driveway or patio — it’s part of your home’s structural support. If you’re trying to sort out what kind of concrete crack you’re dealing with more generally, that page covers the basics. Here, we focus specifically on cracking in the foundation slab itself and what it means for your home. Our team evaluates it as part of a full foundation repair inspection.
What a Cracked Foundation Slab Looks Like
Foundation slab cracks show up differently than surface cracks in a driveway or patio:
- A crack running along the slab’s edge, or extending across a large section
- Cracking visible from inside a crawl space or basement
- A crack that continues upward into the foundation wall above it
- Interior symptoms appearing at the same time, like doors and windows that stick or uneven floors
Because the slab is load-bearing, cracking here is treated with more urgency than a cosmetic crack elsewhere on the property.
Why Foundation Slabs Crack
A handful of underlying issues tend to be behind slab cracking:
- Soil movement beneath the slab, from expansive clay or erosion
- Poor drainage, including downspouts and grading that direct water toward the foundation instead of away from it
- Hydrostatic pressure from water building up in the soil against the slab
- Original construction issues, such as an under-strength pour or inadequate footing depth
When settlement is the cause, our concrete lifting service can raise the slab back toward level.
Is a Cracked Foundation Slab Dangerous?
It can be, since the slab is part of your home’s structural support. Have it inspected promptly if you notice:
How We Fix a Cracked Foundation Slab
Foundation Slab Inspection
A free inspection determines whether the crack is settlement-related and how far it extends.
Concrete Lifting
Raises a settled slab back toward level to close the source of the crack.
Polyurethane Foam Jacking
Injects expanding foam beneath the slab, lifting it in hours, not days.
Backed by a Warranty You Can Count On
Every foundation slab repair we perform is backed by warranty-supported protection. If you ever notice new cracking in a repaired area, our team will inspect it and make it right.
FAQs
About Cracked Foundation Slabs
Is a Cracked Foundation Slab Dangerous?
It can affect the structural integrity of your home if left unaddressed, especially if the crack is growing, wide, or paired with other signs of settlement. A free inspection determines how urgent the repair is.
Can a Cracked Slab Be Repaired Without Breaking It Out?
In most cases, yes. Concrete lifting and polyurethane foam jacking address the settlement beneath the slab and restore its level without demolishing and repouring it.
Does Homeowners Insurance Cover a Cracked Foundation Slab?
Coverage varies by policy and cause. Damage from a covered peril may be included, while gradual settlement typically is not. Our team can provide the documentation many insurers request during a claim.
Ready to Talk Through Your Options?
A cracked foundation slab is easier and less expensive to address the sooner it’s caught. Reach out and our local team will inspect it, explain what’s causing it, and recommend the right fix.
Testimonials
I don't even know where to start with this review. From the first contact to the end of the job, Ryan and his crew were amazing - professional, knowledgeable, courteous, tidy and clean and very respectful of the impact the job had on me as the homeowner. The job was major, but I felt confident with the information that Ryan and his crew shared with me each step of the project. Since they are specialists, they are very busy so it took a while from start to finish but worth the wait! I could not be more pleased. They get an A+++ from me.
We had a consultation with a very knowledgeable engineer (Collin) who's extremely patient to answer questions and concerns we had. After a thorough walkthrough and measurements, it turned out the area which we thought might be problematic with leveling is only centralized and minuscule, not foundation-related. I'd like to thank Foundation Solutions for this engineer's detailed explanations, professional knowledge and recommendations. At the end, we acquired peace of mind and would highly recommend this company to anyone that may be seeking help with foundation related issues. If we are doing any addition/expansion of our house, we would definitely get in touch again for securing our foundation.
Kyle and the team are awesome! A corner of our foundation has a horizontal crack and when we go out for a quote, many companies explained how serious it is and give us a high estimation. Kyle came onsite and did a detailed inspection, explain why it crack, and how to properly fix it. Then few days later, gave us a reasonable estimate, and we decided to go with the service, they handled the permit, came to fix it in a day and did all the final inspection and passed, we have a smooth experience on the fix. My family are super happy with their service and already recommend to friends in case they need some work in the foundation.