Sinking & Settling Concrete Floor Slab Repair in the Southeast
We repair floor cracks by addressing the underlying foundation movement and restoring the surface so it looks and functions the way it should.
Financing Available
Repair solutions for cracked, sinking concrete floors
Floor crack inspection
Crack sealing and joint repair
Signs Of Slab Settlement
When a floor slab settles, the damage can manifest itself in many ways. Along with cracks in the concrete, the floors can separate from the walls as they sink downwards. Alternatively, the interior wall may be pulled down with the floor, separating from the ceiling. Walls can also pull away from other walls, and interior wall cracks can form — commonly off the corners of interior doors.
What Causes Floor Cracks?
Concrete Shrinkage
Concrete Shrinkage
Settling Soil/Poor Compaction
Settling Soil/Poor Compaction
Expansive Soils
Expansive Soils
Hydrostatic Pressure
Hydrostatic Pressure
Heavy Loads
Heavy Loads
Poor Drainage
Poor Drainage
Crawl Space Structural Issues
Crawl Space Structural Issues
Common Issues from concrete slab cracks
widening or lengthening cracks
uneven slab sections
crack extending into walls
Water Seepage
Musty Odors or Mold
Tripping Hazards
Bouncy or Sagging Floors
Insect or Rodent Entry
ready to fix it? LET’S GET STARTED
The Best Solution For The Problem
NexusPro® Joint Sealant
This is a high-performance, silicone-based sealant specifically designed for concrete crack repair. It is ultra-durable, resistant to harsh weather and UV rays, and offers a long-lasting seal. NexusPro helps prevent water from penetrating through cracks and undermining the soil beneath. It cures quickly, allowing for immediate use of the surface.
Our Process for Repairing Floor Cracks
Thorough Inspection and Diagnosis
01
Customized Solution Recommendation
02
Site Preparation
03
Application or Installation
- NexusPro: The sealant is professionally applied into the prepared cracks, forming a strong, flexible, and durable bond.
- PolyLevel®: The polyurethane foam is injected through the drilled holes. As it expands, it fills any voids beneath the slab and gently lifts the concrete back to a level position. The lifting process is carefully monitored in real-time to ensure precision.
- SmartJack® System: The steel support jacks are installed beneath sagging joists or beams in the crawl space. They are then adjusted to stabilize the floor system and can potentially lift the floor back to a level position. Any necessary wood repair or replacement is completed at this stage.
04
Finishing and Cleanup
05
Why Choose Cantey for Floor Crack Repair?
Comprehensive Problem Solving
We don't just fix the symptom; we identify and address the underlying cause of your floor cracks, whether it's concrete settlement or crawl space structural issues and wood rot, ensuring a long-lasting solution.
Advanced, Proven Products
We utilize industry-leading, patented products like NexusPro, PolyLevel, and the SmartJack® system from the Supportworks network, which are engineered for durability and effectiveness.
Experienced and Trained Specialists
Our team consists of highly trained and experienced professionals who are experts in diagnosing and repairing all types of concrete slab issues and crawl space foundation problems.
Minimally Invasive Techniques
Our repair methods are often much less disruptive, messy, and time-consuming than traditional concrete replacement or extensive reconstruction.
Warrantied Solutions
Our floor crack repair services and crawl space solutions are backed by strong warranties, providing you with confidence and peace of mind.
Prevents Water Intrusion
Sealing cracks stops water from seeping into your basement or garage, protecting against moisture damage, mold, and humidity.
Slab & Floor Stabilization
For cracks caused by concrete settlement, PolyLevel helps stabilize the underlying soil and lift the slab. For homes with crawl spaces, the SmartJack® system provides permanent support to sagging floors, preventing further floor cracks and restoring stability.
Cost-Effective
Repairing cracks and addressing underlying issues is typically far more affordable than tearing out and replacing an entire concrete slab or rebuilding a crawl space.
Fast Curing and Return to Use
Solutions like NexusPro and PolyLevel cure quickly, allowing you to use the repaired area again almost immediately.
Benefits of Our Floor Crack Solutions
Restored Aesthetics
Prevents Water Intrusion
Enhanced Safety
Long-Lasting Durability
Cost-Effective
Fast Curing and Return to Use
Slab & Floor Stabilization
Our Customers Say it Best
Ask about our financing options
Cantey Foundation Specialists offers flexible, easy to understand financing options for homeowners. During our in-house visit, your specialist will help you find the financing options that work for YOU!
Fixed
12.99% for 120mos
6 Mos
No Payments
12 Mos
With Min Payments
Are all floor cracks a sign of a serious problem?
Not all floor cracks are serious. Small, hairline cracks are often a normal result of concrete drying and shrinking. However, if cracks are widening, uneven, or extending into your walls, or if your floors feel bouncy or sag, they could indicate more significant issues like foundation settlement, expansive soils, or crawl space structural problems, and should be professionally inspected.
Can floor cracks lead to water problems in my basement or crawl space?
Yes, cracks in concrete floors can act as direct pathways for water to seep into your basement or crawl space, leading to moisture issues, increased humidity, mold growth, and potential damage to stored items or finishes. In crawl spaces, moisture can also lead to wood rot, further impacting floor stability.
Is it better to repair a cracked floor or replace the entire slab?
In most cases, repairing the cracks and addressing the underlying cause is a more cost-effective and less disruptive solution than completely removing and replacing an entire concrete slab. Slab replacement is typically reserved for severe, widespread deterioration. For homes with crawl spaces, repairing sagging floors with the SmartJack system is also generally preferred over extensive structural rebuilding.
How quickly can I use my floor after the repair?
With our solutions, the return to use is very fast. NexusPro sealant cures quickly, allowing for immediate foot traffic. PolyLevel-treated surfaces are usually ready for normal use within 15 minutes to an hour after the injection. For crawl space repairs, the area is accessible shortly after installation, though a full cure for any new concrete footings may take longer.
Will the cracks come back after they are repaired?
Our repair solutions are designed for long-lasting results. When we address the underlying cause of the cracking, such as stabilizing a settling slab with PolyLevel or supporting a sagging floor with the SmartJack system, the chances of the cracks recurring are significantly reduced. NexusPro provides a durable, flexible seal that resists future cracking.





