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Slab Cracks

What Do Slab Cracks Mean?

Slab cracks are more than cosmetic concerns—they are often early warning signs of foundation movement. In regions like Ohio, Pennsylvania, and West Virginia, dramatic seasonal changes cause the soil beneath your home to expand during wet, humid periods and shrink during dry or freezing conditions. This continual movement places stress on the foundation and can lead to cracking, instability, and structural damage.

Slab cracks frequently appear alongside other signs of foundation issues, including bowing walls, leaning chimneys, sticking windows and doors, and cracking drywall. While cosmetic repairs may temporarily hide the problem, they do not address the root cause. The professionals at Matthews Wall Anchor & Waterproofing Services can evaluate the entire foundation and provide the right long-term solution using industry-leading products from Earth Contact Products (ECP).

Understanding the Causes of Slab Cracks

Slab cracks develop for several reasons, many of which are tied to soil movement and foundation instability. Common causes include:

  • Expanding and shrinking soil due to seasonal temperature and moisture changes
  • Hydrostatic pressure pushing against the slab during periods of heavy rainfall
  • Soil pulling away from the foundation during dry or freezing conditions
  • Uneven settlement beneath the slab caused by shifting or poorly compacted soils
  • Moisture imbalance under or around the home, leading to soil instability
  • Long-term wear and structural stress, especially in older homes


These issues weaken the foundation and lead to slab cracks that will continue to worsen without proper stabilization.

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Solutions for Slab Crack Repair

Foundation Underpinning with Helical or Push Piers

Shifting soil and seasonal climate conditions in Ohio, Pennsylvania, and West Virginia can cause slab cracks as your home settles. Matthews Wall Anchor & Waterproofing Services installs ECP helical piers and push piers to stabilize and lift the foundation beneath cracked slabs. Underpinning solutions help:

Wall Anchors for Structural Movement

If slab cracks are linked to lateral soil pressure or shifting foundation walls, Matthews Wall Anchor may install wall anchors to reinforce and stabilize the affected walls. These systems:

Foundation Repair Tailored to Your Home

Every foundation behaves differently depending on soil conditions, moisture patterns, and structural design. Our experts inspect the entire foundation to determine the root cause of slab cracks and recommend the best repair solution. Our evaluation helps identify: 

Related Services

Foundation Repair

Moisture problems in a crawl space can signal deeper foundation issues such as settlement, sagging floors, or wall movement. Matthews Wall Anchor & Waterproofing Services provides professional foundation stabilization using helical piers, push piers, wall anchors, and structural supports to protect your home from long-term damage.

Crawl Space Repair

From sagging floors and rotted joists to failing support posts and moisture-damaged structures, our crawl space repair solutions address the underlying problems that contribute to mold growth. We reinforce, stabilize, and restore your crawl space to ensure structural integrity and a healthier environment throughout your home.

Waterproofing Solutions

Excess moisture is the root cause of most crawl space mold and mildew. Our interior and exterior waterproofing systems, sump pumps, drainage solutions, and vapor barriers work together to redirect water away from your home, reduce humidity, and create a dry, healthy environment under your house.

Hydroblox Residential Drainage Systems

Hydroblox panels provide high-efficiency drainage without the clogging issues of traditional pipe systems. Installed around crawl spaces or problem moisture areas, Hydroblox moves water quickly and consistently—helping keep your crawl space dry and preventing mold and mildew from returning.

Request a Free Estimate

Get a free, no-obligation inspection from Matthews Wall Anchor—trusted specialists in foundation repair, waterproofing, and structural stability.

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