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Cracked Chimney 

Many Texas homes boast beautiful chimneys, offering not only aesthetic appeal, but cozy winter nights. Yet, the sight of cracks running down your chimney can be unsettling. These cracks might not just be telling a story of age but could also be hinting at deeper foundation issues

At Foundation Support Specialists, we understand the diverse soil types and challenges faced by Texas homeowners. We’re here to help decipher the story behind your cracked chimney and offer solutions to ensure your home remains safe and sound. 

What Does a Cracked Chimney Indicate? 

When a chimney starts showing cracks, it’s not always due to its age or weathering. Often, it’s a sign of an underlying foundation problem. The cracks might appear around the bricks, on the chimney crown, or even within the chimney flue. Such discrepancies can lead to moisture seepage, deteriorating the chimney’s efficiency and endangering its structural health. 

As Texas homes grapple with soil movement and climatic changes, the foundation can shift. This shift directly impacts standalone structures like chimneys, which might start leaning or even separating from the main house. 

Why Do Chimneys Crack? 

Texas is known for its expansive clay soils, which are particularly vulnerable to changes in moisture levels. Here are some of the reasons why the soil might be affecting your chimney: 

  • Moisture Variations: Texas weather can fluctuate, leading to cycles of wet and dry seasons. These cycles cause the soil to expand and contract, destabilizing the foundation. 
  • Soil Erosion: Heavy rains can wash away the supporting soil, weakening the chimney’s base. 
  • Improper Soil Compaction: During construction, if the soil isn’t adequately compacted, it can result in uneven settling of the foundation. 
  • Tree Roots: Large trees close to the home can have roots that stretch beneath the foundation, causing displacement and pulling moisture from the soil. 

Given the unique challenges of the Texas landscape, chimneys can often be the first to show signs of foundation distress. 

Addressing the Cracked Chimney 

While it’s tempting to simply patch up the cracks, that’s often a short-term solution. The underlying issue needs addressing. 

At Foundation Support Specialists, our approach is comprehensive: 

In-depth Inspection 

We assess the foundation and chimney to determine the root cause of the cracks. This includes taking measurements and using a level to check for settlement or other issues at play. We may also look at your crawl space to determine where the issues stem from.  

Foundation Reinforcement 

Depending on the diagnosis, we might employ methods such as installing foundation piers. These piers are inserted deep into stable soil layers, offering lasting support to the chimney. 

The best tools to address a damaged chimney are foundation piers that permanently stabilize the chimney and can help lift it back to its original position. This may help close cracks and gaps, but further masonry may be needed afterward. 

Depending on the soil and condition of the chimney, we install either helical piers or push piers deep into the ground until we reach a stable soil layer. Our SettleStop Helical Pier System is ideal for lighter loads, including chimneys. Here’s what the process entails: 

  • Excavating the soil down to the chimney footer 
  • Using hydraulic equipment to advance the piers into the soil 
  • Monitoring the pressure and depth of installed piers 
  • Advancing the screw-like piers until they reach stable soil or bedrock 
  • Attaching a durable steel bracket to the footing, ensuring load transfer 
  • Installing small rivets in the exterior brick as benchmarks 
  • Backfilling excavated soil 

Maintenance and Inspection 

Annual checks ensure the implemented solution is holding up and the chimney remains stable. 

Why Address the Cracked Chimney Promptly? 

Putting off the repair might only escalate costs and safety concerns. Addressing it early: 

Prevents water damage and mold growth 

When you address repairs early on, it helps in preventing water from seeping into places it shouldn’t. Water damage can weaken structures and create the ideal environment for mold growth. Mold not only damages the structures of your property but can also pose serious health risks including respiratory problems, allergies, and other health issues. Ensuring that repairs are done promptly can maintain the integrity of your structures and protect the health of the occupants. 

Averts the risk of chimney collapse 

A chimney is often a critical part of a home’s structure. Over time, chimneys can deteriorate due to various factors such as weather conditions, wear and tear, or even design issues. If not attended to promptly, the damage can escalate to a point where the chimney becomes unstable and potentially collapse. A collapsed chimney poses extreme safety risks, including the potential for injury or even death. By addressing issues early on, you are averting a potential disaster and maintaining the safety of your home. 

Saves on extensive future repairs 

Early repairs often involve fixing smaller issues that are less costly than waiting for them to escalate into major problems. Over time, what might have been a minor repair can turn into a significant, more extensive, and thus more expensive project. Early intervention allows you to maintain your property in good condition and save money in the long term. 

Enhances the property’s value 

Maintaining your property in a good state of repair not only makes it more enjoyable and safer to live in but can also enhance its value. Potential buyers are more likely to be interested in a well-maintained property, and it can command a higher price on the market.  

Your home deserves expert care. If you spot cracks in your chimney, reach out to Foundation Support Specialists. We bring our Texas expertise to evaluate, repair, and ensure your home stands tall and safe. Contact us today to schedule your free inspection

Cracked Chimney FAQs

Chimneys can crack due to a variety of reasons including weathering over time, seismic activity, improper construction, and fluctuating temperatures which cause materials to expand and contract. The settling of a house’s foundation can also lead to cracked chimneys. 

Regular inspection is key to identifying cracks early on. You might notice visible signs such as loose bricks, gaps in the mortar, or signs of wear and tear around the chimney. Sometimes, you may notice a draft in the fireplace which can be a sign of cracks. It is recommended to hire a professional for a comprehensive inspection to identify not-so-obvious cracks. 

A cracked chimney poses several risks including the potential for water damage, mold growth, higher utility bills due to energy inefficiency, and even a collapse which can lead to serious injuries. Additionally, it can lead to dangerous gases like carbon monoxide leaking into your home. 


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11615 Angus Rd
Suite 104B
Austin, TX 78758


1945 W. Walnut Hill Ln.
Irving, TX  75038


6422 Lozano Dr.
Houston, TX 77041

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18630 Goll St.
San Antonio, TX 78266