Cracks in a foundation can be alarming, but not all are cause for immediate concern. Homeowners in the St. Louis area often ask whether the cracks they see are cosmetic or structural. Knowing the difference is essential to ensuring the safety of your home and making informed decisions about necessary repairs. At Cornerstone Structural Repair & Waterproofing, we specialize in accurately diagnosing and repairing all types of foundation cracks, and our work is backed by a life-of-structure warranty for your peace of mind.
To learn more about types of foundation cracks and get expert advice for your foundation problems and questions, contact our St. Louis experts today.
What Are Cosmetic Foundation Cracks?
Cosmetic cracks are surface-level imperfections that do not affect the structural integrity of a building. These cracks are often found in plaster, drywall, or concrete and are usually caused by:
- Natural settling over time
- Minor temperature or humidity changes
- Shrinkage as concrete cures
Common Characteristics of Cosmetic Cracks
- Hairline in width, typically less than 1/8 inch
- Vertical or diagonal and found near windows or doors
- Not growing or spreading over time
While cosmetic cracks may not indicate a serious issue, they should still be monitored. In some cases, what appears to be a minor crack can develop into a structural problem if left unaddressed.
What Are Structural Foundation Cracks?
Structural foundation cracks are a sign of deeper problems with your home’s stability. These cracks form due to movement or shifting in the foundation and require prompt attention to prevent further damage. Common causes include:
- Poor soil conditions or erosion
- Improper drainage around the foundation
- Hydrostatic pressure from excess moisture
- Tree root intrusion
- Inadequate construction or support
Signs of Structural Cracks
- Cracks wider than 1/8 inch
- Horizontal cracks in foundation walls
- Stair-step cracks in brick or block
- Cracks accompanied by bowing walls or uneven floors
- Doors and windows that stick or won’t close properly
If you notice any of these warning signs in your St. Louis home, it’s crucial to contact a professional for a detailed foundation inspection.
How to Tell the Difference Between Cosmetic and Structural Foundation Cracks
Determining whether a crack is cosmetic or structural can be difficult without the right expertise. Here are a few quick tips to help you make an initial assessment:
1. Measure the Crack Width
Use a ruler or measuring tape. Cracks wider than 1/8 inch are more likely to be structural.
2. Monitor Over Time
Cosmetic cracks usually remain stable. If the crack widens, lengthens, or spreads, it may be structural.
3. Check the Location
Cracks in foundation walls, basement floors, or structural beams are more concerning than those in drywall or paint.
4. Look for Other Signs
Accompanying symptoms like sloping floors, sticking doors, or moisture intrusion point to a structural issue.
Still not sure? The safest option is to call an experienced foundation repair contractor for a professional evaluation.
Our Expert Foundation Crack Repair Services
At Cornerstone Structural Repair & Waterproofing, we provide comprehensive solutions for both cosmetic and structural foundation cracks in the St. Louis area. Our services include:
Foundation Crack Repair
We use high-quality injection materials and proven techniques to seal cracks and restore strength to your foundation.
Learn more about our Foundation Crack Repair Services
Wall Stabilization
If the cracks are caused by bowing or leaning walls, we can install carbon fiber straps or wall anchors to stabilize the structure.
Waterproofing Solutions
Water is often the root cause of structural cracks. We offer exterior and interior basement waterproofing systems to keep your foundation dry and strong.
Concrete Repair and Leveling
Uneven concrete slabs around your home can indicate foundation settlement. Our concrete leveling service corrects these issues quickly and cost-effectively.
Best of all, our repairs are backed by a life-of-structure warranty, so you can be confident your investment is protected.
Why St. Louis Homes Are Prone to Foundation Cracks
St. Louis homeowners frequently deal with foundation movement and cracks due to the area’s expansive clay soils and fluctuating weather patterns. The soil swells when wet and shrinks when dry, which puts pressure on your foundation and can lead to cracking. Combined with freeze-thaw cycles, poor drainage, and common construction issues, these conditions make foundation care a top priority for local homeowners.
FAQs About Structural Foundation Cracks
Can small cracks turn into structural problems?
Yes. While not all small cracks are dangerous, they can worsen over time due to soil movement, water intrusion, or foundation settling.
Should I fill a crack myself or call a professional?
Hairline cosmetic cracks can often be patched with store-bought materials. However, cracks wider than 1/8 inch or those in foundation walls should always be inspected by a professional.
How long do repairs take?
Most foundation crack repairs can be completed within one to three days, depending on the extent of the damage and the solution required.
Does insurance cover structural foundation repairs?
In most cases, homeowner’s insurance does not cover foundation damage caused by soil issues or water intrusion. However, we can help you determine if any part of the repair is eligible under your policy.
Protect Your Home with Cornerstone’s Proven Structural Foundation Crack Repair Solutions
Whether you’re dealing with minor cosmetic cracks or serious structural damage, Cornerstone Structural Repair & Waterproofing is the trusted choice for homeowners in the St. Louis area. We bring decades of experience and a commitment to quality workmanship backed by our life-of-structure warranty.
Don’t wait until a small crack becomes a major issue. Call us today or contact us online to schedule your free inspection. Our team will assess the situation and provide a customized repair plan to keep your home safe, stable, and secure.
