Concrete Crack Repair

Repairing a concrete crack seems simple enough, but did you know there are numerous methods on actually repairing the cracks that are found in the concrete.  The number one thing that you first want to do is to find out WHY the crack has occurred.  Was the concrete old, has a void been created, did the foundation move, or was the concrete just poorly designed for the application that it is currently being used?  

Knowing why the crack has occurred will allow you to come up with the best fix that will provide longterm success of the repair.  If the reason for why the concrete has cracked is not found, more than likely the repair will only be a temporary fix and the repair will need to be completed correctly in the future.

Crack Repair Carbon Fiber Staples
Crack Repair Step 2

Types of Repairs

The type of repair will be unique to your concrete's current situation.  Let's think of the crack as your car.  If your car is misfiring or not running correctly, you wouldn't change the tires and expect the problem to go away.  The same goes for repairing a crack.  You will need the correct fix based on the characteristics of the crack.

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  • Gravity Fed Crack Repair
    This type of repair is typically performed when a slab has cracked, but has no further signs of continued movement. This can be a typical fix for cracks in a slab after a foundation repair has been installed and completed. You can also see this repair once a soil densification treatment has been performed.
  • Carbon Fiber Crack Stitching
    This repair is similar to the gravity fed method, but we add carbon fiber staples inserted into the concrete perpendicular to the crack spaced every 12"-18". This repair will allow the crack to be "stitched" back together and will strengthen the crack itself. If any movement is to occur in the future, it will more than likely occur in another place than the area that has been stitched.
  • Polyurea Crack Repair
    This repair is performed when the concrete has a strong potential to have continued movement. The polyurea allows for the crack to be filled, but also allow for flexibility and not allow for additional intrusion, whether it be water or insects. This repair is effective for existing concrete control joints within slabs.
  • Removal and Replacement
    If cracks have been neglected for an extended period of time or have experienced substantial widening than removal of the concrete and the crack will need to be performed, rather than dumping massive amounts of material and massive amounts of money into the existing crack. DO NOT let your concrete cracks get to this point. This repair is very disruptive and typically will take a week or 2 to be completed. This is definitely the last resort of repairs, but it is the correct repair if your cracked slab has widened to a point of no return.

Are you ready to learn more about what’s happening to your home’s foundation

We offer free, no-obligation foundation inspections to homeowners.

FAQs