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How Much Does It Cost To Fix Foundation Cracks? 

How Much Does It Cost To Fix Foundation Cracks
How Much Does It Cost To Fix Foundation Cracks

Foundation Cracks are the most common issue in basements. Every piece of concrete poured will eventually crack. Even the Hoover Dam is cracking! Fortunately, there are verified ways to properly repair these cracks so you do not have to deal with the problems they cause. There are 2 main ways to repair a Foundation Crack:

  1. From the Interior via Epoxy Injection
  2. From the Exterior via Wall Seal

Interior Foundation Crack Injection

When addressed from the inside, Foundation Cracks are repaired most effectively with Epoxy Injection. This method uses a NON-Expanding Epoxy Resin to fill the void formed by the crack. Once filled, the epoxy will bond with the concrete, sealing out any further water penetration.

The typical foundation crack repair cost per wall height are:

  • 9 ft wall $550
  • 8 ft wall $450
  • 4 ft wall $400
  • 3 ft wall $350
  • 2 ft wall $300

These prices are for what we consider “clean” cracks. Cracks where a repair has not been attempted before. “Patched” cracks, where a repair was attempted previously, add $50 to the price of a clean crack. So a 9 ft Patched crack is $600, and so on.

Another factor when repairing Foundation Cracks is lateral movement. Hydrostatic Pressure can push on a wall, and the weak spots on walls are right at the crack locations. As the support there is lessened with the crack, these cracks can re-open, causing further headaches. To combat this, we are able to install Carbon Fiber Crack Locks that hold the crack together and reinforce the strength of the wall. These are extremely effective in strengthening a Foundation Wall.

The cost of using Carbon Fiber Crack Locks with a Foundation Crack is simple to calculate. Take the original price of the crack and double it. If the crack is quoted to be $450, with Carbon Fiber it is $900.

These repairs come with a Lifetime Warranty, transferable to new owners.

Exterior Foundation Crack Sealing

Sometimes fixing a Foundation Crack from the inside is not the best approach. Maybe the basement is finished nicely and there are some stairs right there.  Should the interior option not be the best route, we can repair cracks from the outside as well. This is accomplished by a dig & seal approach.

  • Dig
  • Seal
  • Backfill

Pretty simple, right? Just like most things that sound simple, it isn’t quite so. The issue is the amount of work needed. Instead of taking one person approximately 1.5 hours to complete, an exterior repair can take 2 people 6 hours to complete! That’s a lot of extra time.

A 2’ x 2’ hole needs to be dug around the crack. If that crack goes deeper that 5 feet, a step-down hole needs to be dug. Put that Foundation Crack on the corner of your home and now holes need to be dug on each side of the corner, doubling the work. Far and away, the digging is the most extensive piece of the work.

Once dug, the Foundation Wall is cleaned with a steel-wire brush and debris is cleared off the surface. Hydraulic cement is used to fill any voids, and an elastomeric waterproofing tar is used to seal the wall. Over the tar, a vapor barrier is installed. We use a 12 mil Thread Reinforced Vapor Barrier. The purpose of this is to protect the tar during back fill. It takes time for the tar to cure, so we want to be sure none is scraped off the wall as we put the dirt back in the hole.

Once back filled, the crack is repaired and comes with a Fully Transferable Lifetime Warranty.

So, what’s the foundation crack repair cost from the outside? Just like the example above, it depends on the height of the foundation:

  • 8 ft Foundation $2,250
  • 6 ft Foundation $1,800
  • 5 ft Foundation $1,500
  • 4 ft Foundation $800
  • 3 ft Foundation $600
  • 2 ft Foundation $500

Another factor to consider with Exterior Foundation Crack Repair is anything in the way on the outside that will need to be moved. A/C units, Porches, Concrete, and more can block access to repair a crack from the outside. These will need to be moved at the location of the crack in order for the repair to be completed.

We hope this helps shed some light on the costs of Foundation Crack Repair, so you can have a ballpark figure when someone comes out to your home. This way, you know what you’re getting into. Thanks for reading, and as always:

“Not Everything’s Better When Wet!”

Factors In Calculating Foundation Repair Cost

The cost of foundation repair depends on various factors, including your geographical location, the type and extent of the damage, the chosen repair solution, and ease of access. The only way to know for sure is to contact an experienced foundation repair contractor in your area and ask for an evaluation and repair estimate.

Questions to Ask About Foundation Repair Cost

Homeowners who are considering foundation repair need to be aware of some key questions they should ask a contractor before agreeing to a proposed repair plan:

Foundation Cracks are the most common issue in basements. Every piece of concrete poured will eventually crack.

  • Can you provide references? – A reputable foundation repair contractor should be able to provide you with references from previous customers. Talking to these customers will give you an idea of the contractor’s reliability, quality of work, and communication skills.
  • What experience do you have in foundation repair? – Choosing a foundation repair contractor with experience and expertise in this field is crucial. Ask the contractor about their training, certifications, and years they have been in the business.
  • What is the cause of my foundation problem? – A good foundation repair contractor should be able to identify the root cause of your foundation problem and propose a solution that addresses the underlying issue. This will prevent the problem from recurring in the future.
  • What repair methods do you use? – There are different approaches to foundation repair, and the method used will depend on the nature and severity of the problem. Ask your contractor about the methods they use and why they believe they are best for your situation.
  • Is the repair work guaranteed? – Foundation repair can be costly, so it is important to know that the work is guaranteed. Ask the contractor about their warranty or guarantee and what it covers.
  • How much will the repair cost? – It is important to get a clear idea of the cost of the repair work upfront. Ask for a detailed estimate that includes all the costs associated with the repair so you can budget accordingly.
  • How long will the repair take? – Foundation repair can be disruptive to your home and your life, so it is important to understand how long the repair will take. Ask the contractor for a timeline and, if possible, for an estimated completion date.


Austin Werner

Austin Werner is the Owner of The Real Seal LLC, a basement waterproofing and foundation repair company. Austin believes that having a highly trained and happy team is the key to success. This is reflected through hundreds of 5 star customer reviews his company has received online.

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