Skip to Main Content

Floor Crack

If your home’s concrete slab floors are covered in cracks, it’s a serious issue that needs urgent attention. Neglecting floor cracks jeopardizes your home’s structure and invites water damage, creating unsafe living conditions for your family.

Bay Area Underpinning is California’s trusted foundation repair expert, equipped with the knowledge and tools to effectively address these cracks. Secure your home and peace of mind with our exceptional customer service and reliable repairs.

Explore the insights on this page to gain a thorough understanding of why floor cracks occur and how to tackle them effectively.

What Are Floor Cracks?

Floor cracks refer to any gaps, fissures, or breaks in your home’s flooring. They can result from factors like pressure imbalances and structural issues.

These cracks are frequently associated with other issues, such as:

Though not all floor cracks are cause for alarm, addressing them promptly is vital to prevent water damage and additional structural issues in your home.

What Causes Floor Cracks?

There are various factors that can lead to floor cracks in your home. Our skilled team will identify these root causes through a thorough inspection.

Material Shrinkage

Various materials are utilized for flooring, with concrete being the most prevalent. Despite its widespread use for its durability, concrete may experience shrinkage during curing. If this shrinkage happens unevenly, it can result in cracks. While these cracks may not always pose a structural concern, they can permit water infiltration if not adequately addressed.

Excessive Load

Placing heavy objects, such as furniture or iron safes on certain types of flooring can create excessive pressure, potentially causing cracks. It’s important to assess the weight-bearing capacity of your floors.

Ground Movement

The soil conditions beneath your home can undergo changes due to factors like rain, drought, or erosion. This movement can result in shifts in the floor, leading to cracks and unevenness.

Soil Type

Certain soil types, particularly clay-based soils common in California, expand when moist and contract when dry. Because of these fluctuations, homes constructed on such grounds may encounter occasional floor cracking.

Foundation Heave

Accumulated water beneath your floors can exert pressure, causing your foundation to rise and lead to cracks. Prolonged water pressure can widen these cracks, raising the risk of water seeping into your home.

Gaining insight into the underlying cause of your floor cracks is essential for effective treatment. Bay Area Underpinning offers tailored repair methods designed to address your home’s specific issues.

Can Floor Cracks Be Repaired?

Yes, floor cracks can be remedied. Advanced technology in floor repair enables us to target specific problem areas without the need for a complete floor replacement.

We strongly discourage attempting these repairs on your own. DIY solutions may only conceal surface imperfections and allow underlying problems to persist.

For proper repairs and enduring outcomes, rely on professional assessments and installations. Floor cracks manifest in diverse forms, and their characteristics, placement, arrangement, and size greatly influence the necessary repair approach. This is why Bay Area Underpinning employs a thorough inspection process to address your issue accurately.

Bay Area Underpinning Floor Crack Repair Strategy

Our solutions are highly recommended by numerous satisfied homeowners. We pride ourselves on our unmatched customer care, attention to detail, and efficiency. Here’s our approach:

Thorough Inspection

Our specialists carefully assess each crack, documenting its position, size, pattern, and width. This inspection enables us to identify the underlying factors, like ground movement or heaving, so we can apply the most appropriate treatment tailored to your home’s specific needs.

Weight Redistributing Solutions

When floor instability is attributed to soil expansion, we can deploy specialized foundation piers. These piers are strategically placed and driven deep into stable ground, redistributing the weight and potentially restoring the floor to its initial level. We provide three varieties of piers: helical, push, and slab. For instance, slab piers are tailored for homes with concrete slab foundations.

Wall Reinforcement

The same factors responsible for floor cracks can also result in cracks appearing in walls. To prevent further damage, we strengthen walls using basement repair techniques such as carbon fiber straps, steel I-beams, wall anchors, and channel anchors.

Water Management

It’s crucial to protect against hydrostatic pressure, heave, and moisture. Our comprehensive range of basement waterproofing, and crawl space encapsulation options includes interior drains, sump pumps, vapor barriers, and dehumidifiers, all designed to keep water from infiltrating your home.

Why Address Floor Cracks Promptly

Do not procrastinate in addressing floor cracks; even small fissures can escalate into significant foundation problems. Reasons for immediate action include:

  • Rapid expansion of cracks due to consistent pressure.
  • The risk of increased water intrusion, potentially leading to mold growth and soil erosion.
  • Ignoring cracks could lead to structural issues and sinking floors over time.
  • Delays in treatment could increase repair costs, especially if water damage occurs.

The foundation of your home is crucial to its overall stability. Pay attention to indicators like floor cracks. Choose Bay Area Underpinning for swift and effective solutions that go beyond surface-level fixes to fortify your home’s foundation.

Contact Bay Area Underpinning for Expert Floor Crack Solutions

If you observe floor cracks in your home, it’s crucial to act promptly to mitigate the risks linked with structural instability and water damage. Bay Area Underpinning provides advanced methods for repairing existing cracks and fortifying your home’s foundation.

Contact us today to schedule a free inspection and safeguard your home’s structural integrity. Trust in the comprehensive solutions offered by the experts at Bay Area Underpinning.


It’s advisable to have a professional assess and fix any floor cracks promptly. The sooner you identify and address floor cracks, the easier and more cost-effective the solution will be.

The expenses are contingent on the scope of the cracks and required repairs. Bay Area Underpinning offers complimentary estimates, clear pricing, flexible financing, and preventative maintenance to avert more costly repairs down the line. Get in touch with us to arrange a free inspection.

The duration of repairs varies based on the severity of the issue and the chosen repair method. Minor crack repairs may be completed in a day or two, while more extensive solutions may require additional time. We will provide a time estimate during our initial inspection.

Our Locations


2333 Courage Dr. Suite C
Fairfield, CA 94533

San Jose

1161 N Fair Oaks Ave
Sunnyvale, CA 94089