Skip to Main Content

Sinking Porch

Witnessing your porch gradually sink can be disheartening. Such descent is not just a cosmetic concern but a serious hazard. Each dip and tilt can be a potential risk, particularly for children and elderly family members. 

The reasons behind a porch’s decline can be multiple, from water erosion to soil inconsistency. But with Tar Heel Basement Systems at your service, there’s no reason for despair. We utilize modern concrete lifting techniques to restore your porch to its former glory, ensuring its longevity and your peace of mind. 

Venture further into the world of sinking porches and understand why Tar Heel’s professional touch is indispensable for a sturdy and safe outdoor space. 

What Is a Sinking Porch? 

When your porch descends from its original position, it’s signaling a deeper foundational or soil-related issue. These anomalies are not just displeasing to the eye, but they can also become genuine safety hazards, leading to potential trips or structural failures. 

Immediate professional attention is pivotal to prevent further deterioration and ensure the continued structural soundness of your home. When these signs surface, it’s time to call Tar Heel Basement Systems

What Causes a Sinking Porch 

Before addressing the sinking porch issue, understanding its root cause is essential: 

  • Water Issues: Inadequate drainage or water pooling around the porch can lead to soil erosion beneath, causing the porch to settle. 
  • Soil Inconsistencies: Different soil types settle at varied rates. If your porch lies on a mix of soil types, uneven settling can occur. 
  • Nature’s Intervention: Nearby trees might pull moisture from under the porch, leading to soil compaction and subsequent sinking. 
  • Construction Mistakes: Poor construction practices, such as improper compaction or inadequate waterproofing, can accelerate a porch’s descent. 
  • Seasonal Strains: Frequent freeze-thaw cycles can cause the soil to expand and contract, pushing the porch downward. 

Swift identification and intervention can save you from more significant damages and skyrocketing repair costs in the future. 

Can You Fix a Sinking Porch 

Absolutely, you can certainly repair a sinking porch, but it’s crucial to take a comprehensive approach to restore your home properly. Begin with a thorough examination and adopt a holistic solution to effectively address the root causes. 

While you might find temporary relief through a piece-by-piece fix, it won’t guarantee the long-term stability and safety your porch needs. We strongly advise against attempting DIY repairs or methods like mudjacking for this task. 

How Tar Heel Basement Systems Addresses Sinking Porches 

Addressing the issue of a sinking porch demands a strategic and expert-driven approach. At Tar Heel Basement Systems, we have honed a detailed process that prioritizes both the effectiveness and longevity of the solutions provided. 

  • Thorough Inspection: Our approach begins with a comprehensive on-site assessment. Our trained experts visually inspect the porch, the surrounding area and employ specialized tools to gauge the extent of the sinking. This in-depth analysis helps us understand the symptoms and underlying causes, be it soil erosion, water damage, or foundation shifts. 
  • Tailored Techniques: Once we’ve established the root causes, our team crafts a repair plan tailored to the specific needs of your porch. This could involve a combination of methods, from soil stabilization to concrete lifting. Our emphasis is always on providing durable solutions that address the core issue, ensuring the problem doesn’t reoccur. 
  • Advanced Lifting Techniques: Leveraging the latest in porch lifting technology, we utilize methods like polyurethane foam injection, which provides precise lifting and leveling. This process involves injecting the foam beneath the porch, which then expands, filling voids and elevating the sunken sections to their original position. The result is a seamlessly leveled porch that’s ready to withstand the tests of time and elements. 
  • Finishing Touches: But our job doesn’t end with just lifting. Post-leveling, any visible cracks or gaps are meticulously sealed using high-grade materials. We also evaluate and, if necessary, improve the drainage around the porch to prevent water accumulation – a common culprit behind sinking. Lastly, homeowners are equipped with maintenance insights and tips to ensure the longevity of the repair work. 
  • Post-Repair Support: At Tar Heel Basement Systems, we pride ourselves on building lasting relationships. Even after the repair, our team remains available for any queries, follow-ups, or further assistance you might need, ensuring your porch remains in prime condition for years to come. 

Your porch, being an integral part of your home’s aesthetics and function, deserves the best care. With Tar Heel Basement Systems by your side, you can be assured of top-tier solutions, timely execution, and enduring results. 

The Importance of Promptly Fixing a Sinking Porch 

A sinking porch, while often brushed off as merely an aesthetic issue, is a clear sign of underlying problems that can escalate if not addressed in a timely manner. Here’s why swift action is crucial: 

  • Safety Concerns: The uneven surface of a sinking porch can pose significant tripping hazards, especially for children, the elderly, and guests unfamiliar with the issue. By promptly rectifying the situation, you can ensure a safer environment for everyone. 
  • Preventing Further Damage: A sinking porch can exacerbate other structural problems. For instance, water may begin to pool in the lowered sections, leading to moisture issues or further soil erosion underneath, which can, in turn, impact adjacent structures. 
  • Cost-Effective: Addressing the problem at its initial stages often means simpler solutions and less invasive repair methods. Delaying might mean a complete overhaul, which can be considerably more expensive. 
  • Maintaining Property Value: A well-kept home, including its outdoor spaces, can significantly influence its market value. By ensuring that your porch is in top condition, you not only enhance your home’s aesthetic appeal but also its overall worth. 
  • Guarding the Home’s Foundation: The factors causing your porch to sink, such as water accumulation or soil erosion, can also affect your home’s foundation. By attending to the porch, you might be nipping a larger foundational issue in the bud. 

Connect with Tar Heel Basement Systems 

Your home’s safety and structural integrity are paramount. When faced with a sinking porch or any related issues, you deserve top-tier expertise and solutions. Tar Heel Basement Systems is your go-to partner for such concerns. Reach out to us today to schedule your complimentary inspection


Indeed, preventive measures, such as ensuring good drainage, periodic inspections for cracks, and avoiding concentrated loads, can deter sinking. Proper landscaping and timely intervention can go a long way in porch preservation. 

A sinking porch could be a symptom of broader foundational issues, especially if you notice other signs like interior wall cracks or misaligned doors. It’s essential to have the entire property inspected to ensure overall structural health. 

While we can address porch sinking issues throughout the year, spring and early summer are often preferable due to favorable weather conditions. However, don’t delay urgent repairs based on seasons alone.


*Disclaimer: “Concrete leveling” means the process by which cracked, uneven concrete is stabilized, and in many cases lifted, by means of PolyRenewal™ polyurethane foam. Tar Heel Basement Systems does not guarantee that PolyRenewal™ can make your concrete perfectly level.

Publish Date:

Last Modified Date:

TarHeel Basement Systems Service Map

Our Locations

Fayetteville Location

3400 Walsh Pky, Suite 220
Fayetteville, NC 28311

Greensboro Location

611 Summit Ave, Suite 5
Greensboro, NC 27405

North Raleigh

208 Millbrook Rd. Suite C
Raleigh, NC 27609

Raleigh / Durham / Chapel Hill Location

3333 Air Park Road
Fuquay-Varina, NC 27526

Wilmington Location

2155 Enterprise Dr. NE
Leland, NC 28451

Winston-salem / High Point Location

2910 Griffith Rd
Winston-Salem, NC 27103